diff --git a/ChangeLog b/ChangeLog
index 572e0360d..db5dd488a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -367,7 +367,7 @@ Extractors
     + Add support for more domains
 * [svt] Fix series extraction (#22297)
 * [svt] Fix article extraction (#22897, #22919)
-* [soundcloud] Imporve private playlist/set tracks extraction (#3707)
+* [soundcloud] Improve private playlist/set tracks extraction (#3707)
 
 
 version 2020.01.24
@@ -493,7 +493,7 @@ Extractors
 * [abcotvs] Relax URL regular expression and improve metadata extraction
   (#18014)
 * [channel9] Reduce response size
-* [adobetv] Improve extaction
+* [adobetv] Improve extraction
     * Use OnDemandPagedList for list extractors
     * Reduce show extraction requests
     * Extract original video format and subtitles
@@ -518,7 +518,7 @@ Extractors
 * [dailymotion] Improve extraction
     * Extract http formats included in m3u8 manifest
     * Fix user extraction (#3553, #21415)
-    + Add suport for User Authentication (#11491)
+    + Add support for User Authentication (#11491)
     * Fix password protected videos extraction (#23176)
     * Respect age limit option and family filter cookie value (#18437)
     * Handle video url playlist query param
@@ -603,7 +603,7 @@ Extractors
 - [go90] Remove extractor
 * [kakao] Remove raw request
 + [kakao] Extract format total bitrate
-* [daum] Fix VOD and Clip extracton (#15015)
+* [daum] Fix VOD and Clip extraction (#15015)
 * [kakao] Improve extraction
     + Add support for embed URLs
     + Add support for Kakao Legacy vid based embed URLs
@@ -647,7 +647,7 @@ Extractors
     * Improve format extraction (#22123)
     + Extract uploader_id and uploader_url (#21916)
     + Extract all known thumbnails (#19071, #20659)
-    * Fix extration for private playlists (#20976)
+    * Fix extraction for private playlists (#20976)
     + Add support for playlist embeds (#20976)
     * Skip preview formats (#22806)
 * [dplay] Improve extraction
@@ -1122,7 +1122,7 @@ Extractors
 * [hbo] Fix extraction and extract subtitles (#14629, #13709)
 * [youtube] Extract srv[1-3] subtitle formats (#20566)
 * [adultswim] Fix extraction (#18025)
-* [teamcoco] Fix extraction and add suport for subdomains (#17099, #20339)
+* [teamcoco] Fix extraction and add support for subdomains (#17099, #20339)
 * [adn] Fix subtitle compatibility with ffmpeg
 * [adn] Fix extraction and add support for positioning styles (#20549)
 * [vk] Use unique video id (#17848)
@@ -1534,7 +1534,7 @@ version 2018.11.18
 
 Extractors
 + [wwe] Extract subtitles
-+ [wwe] Add support for playlistst (#14781)
++ [wwe] Add support for playlists (#14781)
 + [wwe] Add support for wwe.com (#14781, #17450)
 * [vk] Detect geo restriction (#17767)
 * [openload] Use original host during extraction (#18211)
@@ -2567,7 +2567,7 @@ Extractors
 * [youku] Update ccode (#14872)
 * [mnet] Fix format extraction (#14883)
 + [xiami] Add Referer header to API request
-* [mtv] Correct scc extention in extracted subtitles (#13730)
+* [mtv] Correct scc extension in extracted subtitles (#13730)
 * [vvvvid] Fix extraction for kenc videos (#13406)
 + [br] Add support for BR Mediathek videos (#14560, #14788)
 + [daisuki] Add support for motto.daisuki.com (#14681)
@@ -2588,7 +2588,7 @@ Extractors
 * [nexx] Extract more formats
 + [openload] Add support for openload.link (#14763)
 * [empflix] Relax URL regular expression
-* [empflix] Fix extractrion
+* [empflix] Fix extraction
 * [tnaflix] Don't modify download URLs (#14811)
 - [gamersyde] Remove extractor
 * [francetv:generationwhat] Fix extraction
@@ -2783,7 +2783,7 @@ Extractors
 * [yahoo] Bypass geo restriction for brightcove (#14210)
 * [yahoo] Use extracted brightcove account id (#14210)
 * [rtve:alacarta] Fix extraction (#14290)
-+ [yahoo] Add support for custom brigthcove embeds (#14210)
++ [yahoo] Add support for custom brightcove embeds (#14210)
 + [generic] Add support for Video.js embeds
 + [gfycat] Add support for /gifs/detail URLs (#14322)
 * [generic] Fix infinite recursion for twitter:player URLs (#14339)
@@ -3028,7 +3028,7 @@ Extractors
 * [amcnetworks] Make rating optional (#12453)
 * [cloudy] Fix extraction (#13737)
 + [nickru] Add support for nickelodeon.ru
-* [mtv] Improve thumbnal extraction
+* [mtv] Improve thumbnail extraction
 * [nick] Automate geo-restriction bypass (#13711)
 * [niconico] Improve error reporting (#13696)
 
@@ -3392,7 +3392,7 @@ Extractors
 + [cda] Support birthday verification (#12789)
 * [leeco] Fix extraction (#12974)
 + [pbs] Extract chapters
-* [amp] Imporove thumbnail and subtitles extraction
+* [amp] Improve thumbnail and subtitles extraction
 * [foxsports] Fix extraction (#12945)
 - [coub] Remove comment count extraction (#12941)
 
@@ -3562,7 +3562,7 @@ Extractors
 + [rbmaradio] Add support for redbullradio.com URLs (#12687)
 + [npo:live] Add support for default URL (#12555)
 * [mixcloud:playlist] Fix title, description and view count extraction (#12582)
-+ [thesun] Add suport for thesun.co.uk (#11298, #12674)
++ [thesun] Add support for thesun.co.uk (#11298, #12674)
 + [ceskateleveize:porady] Add support for porady (#7411, #12645)
 * [ceskateleveize] Improve extraction and remove URL replacement hacks
 + [kaltura] Add support for iframe embeds (#12679)
@@ -3601,7 +3601,7 @@ Extractors
 * [funimation] Fix extraction (#10696, #11773)
 + [xfileshare] Add support for vidabc.com (#12589)
 + [xfileshare] Improve extraction and extract hls formats
-+ [crunchyroll] Pass geo verifcation proxy
++ [crunchyroll] Pass geo verification proxy
 + [cwtv] Extract ISM formats
 + [tvplay] Bypass geo restriction
 + [vrv] Add support for vrv.co
@@ -3665,7 +3665,7 @@ Extractors
 + [bostonglobe] Add extractor for bostonglobe.com (#12099)
 + [toongoggles] Add support for toongoggles.com (#12171)
 + [medialaan] Add support for Medialaan sites (#9974, #11912)
-+ [discoverynetworks] Add support for more domains and bypass geo restiction
++ [discoverynetworks] Add support for more domains and bypass geo restriction
 * [openload] Fix extraction (#10408)
 
 
@@ -5255,7 +5255,7 @@ version 2016.07.09.1
 Fixed/improved extractors
 - youtube
 - ard
-- srmediatek (#9373)
+- srmediathek (#9373)
 
 
 version 2016.07.09
@@ -5319,7 +5319,7 @@ Fixed/improved extractors
 - kaltura (#5557)
 - la7
 - Changed features
-- Rename --cn-verfication-proxy to --geo-verification-proxy
+- Rename --cn-verification-proxy to --geo-verification-proxy
 Miscellaneous
 - Add script for displaying downloads statistics
 
diff --git a/test/parameters.json b/test/parameters.json
index 7bf59c25f..65fd54428 100644
--- a/test/parameters.json
+++ b/test/parameters.json
@@ -37,7 +37,7 @@
     "writeinfojson": true, 
     "writesubtitles": false,
     "allsubtitles": false,
-    "listssubtitles": false,
+    "listsubtitles": false,
     "socket_timeout": 20,
     "fixup": "never"
 }
diff --git a/youtube_dl/compat.py b/youtube_dl/compat.py
index 0ee9bc760..6c3d49d45 100644
--- a/youtube_dl/compat.py
+++ b/youtube_dl/compat.py
@@ -2345,7 +2345,7 @@ except ImportError:  # Python <3.4
 
         # HTMLParseError has been deprecated in Python 3.3 and removed in
         # Python 3.5. Introducing dummy exception for Python >3.5 for compatible
-        # and uniform cross-version exceptiong handling
+        # and uniform cross-version exception handling
         class compat_HTMLParseError(Exception):
             pass
 
diff --git a/youtube_dl/extractor/brightcove.py b/youtube_dl/extractor/brightcove.py
index 2aa9f4782..000eac71c 100644
--- a/youtube_dl/extractor/brightcove.py
+++ b/youtube_dl/extractor/brightcove.py
@@ -147,7 +147,7 @@ class BrightcoveLegacyIE(InfoExtractor):
     ]
 
     @classmethod
-    def _build_brighcove_url(cls, object_str):
+    def _build_brightcove_url(cls, object_str):
         """
         Build a Brightcove url from a xml string containing
         <object class="BrightcoveExperience">{params}</object>
@@ -217,7 +217,7 @@ class BrightcoveLegacyIE(InfoExtractor):
         return cls._make_brightcove_url(params)
 
     @classmethod
-    def _build_brighcove_url_from_js(cls, object_js):
+    def _build_brightcove_url_from_js(cls, object_js):
         # The layout of JS is as follows:
         # customBC.createVideo = function (width, height, playerID, playerKey, videoPlayer, VideoRandomID) {
         #   // build Brightcove <object /> XML
@@ -272,12 +272,12 @@ class BrightcoveLegacyIE(InfoExtractor):
             ).+?>\s*</object>''',
             webpage)
         if matches:
-            return list(filter(None, [cls._build_brighcove_url(m) for m in matches]))
+            return list(filter(None, [cls._build_brightcove_url(m) for m in matches]))
 
         matches = re.findall(r'(customBC\.createVideo\(.+?\);)', webpage)
         if matches:
             return list(filter(None, [
-                cls._build_brighcove_url_from_js(custom_bc)
+                cls._build_brightcove_url_from_js(custom_bc)
                 for custom_bc in matches]))
         return [src for _, src in re.findall(
             r'<iframe[^>]+src=([\'"])((?:https?:)?//link\.brightcove\.com/services/player/(?!\1).+)\1', webpage)]
diff --git a/youtube_dl/extractor/common.py b/youtube_dl/extractor/common.py
index 0c9089674..1a08c7616 100644
--- a/youtube_dl/extractor/common.py
+++ b/youtube_dl/extractor/common.py
@@ -1664,7 +1664,7 @@ class InfoExtractor(object):
         # just the media without qualities renditions.
         # Fortunately, master playlist can be easily distinguished from media
         # playlist based on particular tags availability. As of [1, 4.3.3, 4.3.4]
-        # master playlist tags MUST NOT appear in a media playist and vice versa.
+        # master playlist tags MUST NOT appear in a media playlist and vice versa.
         # As of [1, 4.3.3.1] #EXT-X-TARGETDURATION tag is REQUIRED for every
         # media playlist and MUST NOT appear in master playlist thus we can
         # clearly detect media playlist with this criterion.
diff --git a/youtube_dl/extractor/europa.py b/youtube_dl/extractor/europa.py
index 1efc0b2ec..2c1c747a1 100644
--- a/youtube_dl/extractor/europa.py
+++ b/youtube_dl/extractor/europa.py
@@ -60,7 +60,7 @@ class EuropaIE(InfoExtractor):
 
         title = get_item('title', preferred_langs) or video_id
         description = get_item('description', preferred_langs)
-        thumbnmail = xpath_text(playlist, './info/thumburl', 'thumbnail')
+        thumbnail = xpath_text(playlist, './info/thumburl', 'thumbnail')
         upload_date = unified_strdate(xpath_text(playlist, './info/date', 'upload date'))
         duration = parse_duration(xpath_text(playlist, './info/duration', 'duration'))
         view_count = int_or_none(xpath_text(playlist, './info/views', 'views'))
@@ -85,7 +85,7 @@ class EuropaIE(InfoExtractor):
             'id': video_id,
             'title': title,
             'description': description,
-            'thumbnail': thumbnmail,
+            'thumbnail': thumbnail,
             'upload_date': upload_date,
             'duration': duration,
             'view_count': view_count,
diff --git a/youtube_dl/extractor/generic.py b/youtube_dl/extractor/generic.py
index d08a8cca5..f10f11244 100644
--- a/youtube_dl/extractor/generic.py
+++ b/youtube_dl/extractor/generic.py
@@ -842,7 +842,7 @@ class GenericIE(InfoExtractor):
                 'skip_download': True,
             }
         },
-        # MTVSercices embed
+        # MTVServices embed
         {
             'url': 'http://www.vulture.com/2016/06/new-key-peele-sketches-released.html',
             'md5': 'ca1aef97695ef2c1d6973256a57e5252',
diff --git a/youtube_dl/extractor/kusi.py b/youtube_dl/extractor/kusi.py
index 6a7e3baa7..9833d35eb 100644
--- a/youtube_dl/extractor/kusi.py
+++ b/youtube_dl/extractor/kusi.py
@@ -64,7 +64,7 @@ class KUSIIE(InfoExtractor):
         duration = float_or_none(xpath_text(doc, 'DURATION'), scale=1000)
         description = xpath_text(doc, 'ABSTRACT')
         thumbnail = xpath_text(doc, './THUMBNAILIMAGE/FILENAME')
-        createtion_time = timeconvert(xpath_text(doc, 'rfc822creationdate'))
+        creation_time = timeconvert(xpath_text(doc, 'rfc822creationdate'))
 
         quality_options = doc.find('{http://search.yahoo.com/mrss/}group').findall('{http://search.yahoo.com/mrss/}content')
         formats = []
@@ -84,5 +84,5 @@ class KUSIIE(InfoExtractor):
             'duration': duration,
             'formats': formats,
             'thumbnail': thumbnail,
-            'timestamp': createtion_time,
+            'timestamp': creation_time,
         }
diff --git a/youtube_dl/extractor/npr.py b/youtube_dl/extractor/npr.py
index 53acc6e57..9d1122f0c 100644
--- a/youtube_dl/extractor/npr.py
+++ b/youtube_dl/extractor/npr.py
@@ -33,7 +33,7 @@ class NprIE(InfoExtractor):
             },
         }],
     }, {
-        # mutlimedia, not media title
+        # multimedia, not media title
         'url': 'https://www.npr.org/2017/06/19/533198237/tigers-jaw-tiny-desk-concert',
         'info_dict': {
             'id': '533198237',
diff --git a/youtube_dl/extractor/pbs.py b/youtube_dl/extractor/pbs.py
index 4dbe661be..d4baa16ee 100644
--- a/youtube_dl/extractor/pbs.py
+++ b/youtube_dl/extractor/pbs.py
@@ -477,7 +477,7 @@ class PBSIE(InfoExtractor):
             if media_id:
                 return media_id, presumptive_id, upload_date, description
 
-            # Fronline video embedded via flp
+            # Frontline video embedded via flp
             video_id = self._search_regex(
                 r'videoid\s*:\s*"([\d+a-z]{7,})"', webpage, 'videoid', default=None)
             if video_id:
diff --git a/youtube_dl/extractor/soundcloud.py b/youtube_dl/extractor/soundcloud.py
index a2fddf6d9..abb85e1e5 100644
--- a/youtube_dl/extractor/soundcloud.py
+++ b/youtube_dl/extractor/soundcloud.py
@@ -558,7 +558,7 @@ class SoundcloudSetIE(SoundcloudPlaylistBaseIE):
 
 class SoundcloudPagedPlaylistBaseIE(SoundcloudIE):
     def _extract_playlist(self, base_url, playlist_id, playlist_title):
-        # Per the SoundCloud documentation, the maximum limit for a linked partioning query is 200.
+        # Per the SoundCloud documentation, the maximum limit for a linked partitioning query is 200.
         # https://developers.soundcloud.com/blog/offset-pagination-deprecated
         COMMON_QUERY = {
             'limit': 200,
diff --git a/youtube_dl/extractor/tagesschau.py b/youtube_dl/extractor/tagesschau.py
index c351b7545..8ceab7e35 100644
--- a/youtube_dl/extractor/tagesschau.py
+++ b/youtube_dl/extractor/tagesschau.py
@@ -86,7 +86,7 @@ class TagesschauPlayerIE(InfoExtractor):
         #     return self._extract_via_api(kind, video_id)
 
         # JSON api does not provide some audio formats (e.g. ogg) thus
-        # extractiong audio via webpage
+        # extracting audio via webpage
 
         webpage = self._download_webpage(url, video_id)
 
diff --git a/youtube_dl/extractor/theplatform.py b/youtube_dl/extractor/theplatform.py
index 07055513a..41bfbe80f 100644
--- a/youtube_dl/extractor/theplatform.py
+++ b/youtube_dl/extractor/theplatform.py
@@ -208,7 +208,7 @@ class ThePlatformIE(ThePlatformBaseIE, AdobePassIE):
         if m:
             return [m.group('url')]
 
-        # Are whitesapces ignored in URLs?
+        # Are whitespaces ignored in URLs?
         # https://github.com/ytdl-org/youtube-dl/issues/12044
         matches = re.findall(
             r'(?s)<(?:iframe|script)[^>]+src=(["\'])((?:https?:)?//player\.theplatform\.com/p/.+?)\1', webpage)
diff --git a/youtube_dl/extractor/turner.py b/youtube_dl/extractor/turner.py
index 4a6cbfbb8..2964504a2 100644
--- a/youtube_dl/extractor/turner.py
+++ b/youtube_dl/extractor/turner.py
@@ -56,9 +56,9 @@ class TurnerBaseIE(AdobePassIE):
         content_id = xpath_text(video_data, 'contentId') or video_id
         # rtmp_src = xpath_text(video_data, 'akamai/src')
         # if rtmp_src:
-        #     splited_rtmp_src = rtmp_src.split(',')
-        #     if len(splited_rtmp_src) == 2:
-        #         rtmp_src = splited_rtmp_src[1]
+        #     split_rtmp_src = rtmp_src.split(',')
+        #     if len(split_rtmp_src) == 2:
+        #         rtmp_src = split_rtmp_src[1]
         # aifp = xpath_text(video_data, 'akamai/aifp', default='')
 
         urls = []
diff --git a/youtube_dl/extractor/vimeo.py b/youtube_dl/extractor/vimeo.py
index cfd04d50c..4c55946f1 100644
--- a/youtube_dl/extractor/vimeo.py
+++ b/youtube_dl/extractor/vimeo.py
@@ -922,7 +922,7 @@ class VimeoAlbumIE(VimeoBaseInfoExtractor):
     }]
     _PAGE_SIZE = 100
 
-    def _fetch_page(self, album_id, authorizaion, hashed_pass, page):
+    def _fetch_page(self, album_id, authorization, hashed_pass, page):
         api_page = page + 1
         query = {
             'fields': 'link,uri',
@@ -934,7 +934,7 @@ class VimeoAlbumIE(VimeoBaseInfoExtractor):
         videos = self._download_json(
             'https://api.vimeo.com/albums/%s/videos' % album_id,
             album_id, 'Downloading page %d' % api_page, query=query, headers={
-                'Authorization': 'jwt ' + authorizaion,
+                'Authorization': 'jwt ' + authorization,
             })['data']
         for video in videos:
             link = video.get('link')
diff --git a/youtube_dl/extractor/xiami.py b/youtube_dl/extractor/xiami.py
index 618da8382..769aab331 100644
--- a/youtube_dl/extractor/xiami.py
+++ b/youtube_dl/extractor/xiami.py
@@ -54,17 +54,17 @@ class XiamiBaseIE(InfoExtractor):
     def _decrypt(origin):
         n = int(origin[0])
         origin = origin[1:]
-        short_lenth = len(origin) // n
-        long_num = len(origin) - short_lenth * n
+        short_length = len(origin) // n
+        long_num = len(origin) - short_length * n
         l = tuple()
         for i in range(0, n):
-            length = short_lenth
+            length = short_length
             if i < long_num:
                 length += 1
             l += (origin[0:length], )
             origin = origin[length:]
         ans = ''
-        for i in range(0, short_lenth + 1):
+        for i in range(0, short_length + 1):
             for j in range(0, n):
                 if len(l[j]) > i:
                     ans += l[j][i]
diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index 321f903ab..8cefafd79 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -2458,7 +2458,7 @@ class XAttrMetadataError(YoutubeDLError):
 
         # Parsing code and msg
         if (self.code in (errno.ENOSPC, errno.EDQUOT)
-                or 'No space left' in self.msg or 'Disk quota excedded' in self.msg):
+                or 'No space left' in self.msg or 'Disk quota exceeded' in self.msg):
             self.reason = 'NO_SPACE'
         elif self.code == errno.E2BIG or 'Argument list too long' in self.msg:
             self.reason = 'VALUE_TOO_LONG'
@@ -4207,10 +4207,10 @@ def parse_codecs(codecs_str):
     # http://tools.ietf.org/html/rfc6381
     if not codecs_str:
         return {}
-    splited_codecs = list(filter(None, map(
+    split_codecs = list(filter(None, map(
         lambda str: str.strip(), codecs_str.strip().strip(',').split(','))))
     vcodec, acodec = None, None
-    for full_codec in splited_codecs:
+    for full_codec in split_codecs:
         codec = full_codec.split('.')[0]
         if codec in ('avc1', 'avc2', 'avc3', 'avc4', 'vp9', 'vp8', 'hev1', 'hev2', 'h263', 'h264', 'mp4v', 'hvc1', 'av01', 'theora'):
             if not vcodec:
@@ -4221,10 +4221,10 @@ def parse_codecs(codecs_str):
         else:
             write_string('WARNING: Unknown codec %s\n' % full_codec, sys.stderr)
     if not vcodec and not acodec:
-        if len(splited_codecs) == 2:
+        if len(split_codecs) == 2:
             return {
-                'vcodec': splited_codecs[0],
-                'acodec': splited_codecs[1],
+                'vcodec': split_codecs[0],
+                'acodec': split_codecs[1],
             }
     else:
         return {
@@ -5463,7 +5463,7 @@ def encode_base_n(num, n, table=None):
 
 def decode_packed_codes(code):
     mobj = re.search(PACKED_CODES_RE, code)
-    obfucasted_code, base, count, symbols = mobj.groups()
+    obfuscated_code, base, count, symbols = mobj.groups()
     base = int(base)
     count = int(count)
     symbols = symbols.split('|')
@@ -5476,7 +5476,7 @@ def decode_packed_codes(code):
 
     return re.sub(
         r'\b(\w+)\b', lambda mobj: symbol_table[mobj.group(0)],
-        obfucasted_code)
+        obfuscated_code)
 
 
 def caesar(s, alphabet, shift):