4 files changed, 4 insertions, 4 deletions
diff --git a/youtube_dl/extractor/dispeak.py b/youtube_dl/extractor/dispeak.py
index aaa2f8cd1..a78cb8a2a 100644
--- a/youtube_dl/extractor/dispeak.py
+++ b/youtube_dl/extractor/dispeak.py
@@ -12,7 +12,7 @@ from ..utils import (
 )
 
 
-class DigitalSpeakingIE(InfoExtractor):
+class DigitallySpeakingIE(InfoExtractor):
     _VALID_URL = r'https?://(?:evt\.dispeak|events\.digitallyspeaking)\.com/(?:[^/]+/)+xml/(?P<id>[^.]+)\.xml'
 
     _TESTS = [{
diff --git a/youtube_dl/extractor/extractors.py b/youtube_dl/extractor/extractors.py
index d28f9e863..92fbdbb64 100644
--- a/youtube_dl/extractor/extractors.py
+++ b/youtube_dl/extractor/extractors.py
@@ -197,7 +197,7 @@ from .dump import DumpIE
 from .dumpert import DumpertIE
 from .defense import DefenseGouvFrIE
 from .discovery import DiscoveryIE
-from .dispeak import DigitalSpeakingIE
+from .dispeak import DigitallySpeakingIE
 from .dropbox import DropboxIE
 from .dw import (
     DWIE,
diff --git a/youtube_dl/extractor/gdcvault.py b/youtube_dl/extractor/gdcvault.py
index 373053a66..3136427db 100644
--- a/youtube_dl/extractor/gdcvault.py
+++ b/youtube_dl/extractor/gdcvault.py
@@ -157,5 +157,5 @@ class GDCVaultIE(InfoExtractor):
             'id': video_id,
             'display_id': display_id,
             'url': '%s/xml/%s' % (xml_root, xml_name),
-            'ie_key': 'DigitalSpeaking',
+            'ie_key': 'DigitallySpeaking',
         }
diff --git a/youtube_dl/extractor/gputechconf.py b/youtube_dl/extractor/gputechconf.py
index 14daef7a8..73dc62c49 100644
--- a/youtube_dl/extractor/gputechconf.py
+++ b/youtube_dl/extractor/gputechconf.py
@@ -31,5 +31,5 @@ class GPUTechConfIE(InfoExtractor):
             '_type': 'url_transparent',
             'id': video_id,
             'url': '%sxml/%s.xml' % (root_path, xml_file_id),
-            'ie_key': 'DigitalSpeaking',
+            'ie_key': 'DigitallySpeaking',
         }