diff --git a/telethon/client/messages.py b/telethon/client/messages.py
index 8410e0b6..abe435da 100644
--- a/telethon/client/messages.py
+++ b/telethon/client/messages.py
@@ -755,14 +755,14 @@ class MessageMethods:
                 This parameter takes precedence over ``reply_to``. If there is
                 no linked chat, `telethon.errors.sgIdInvalidError` is raised.
 
-            nosoundvideo (`bool`, optional):
+            nosound_video (`bool`, optional):
                 Only applicable when sending a video file without an audio
-                track. If set to true, the video will be displayed in telegram
-                as a video. If set to false, telegram will attempt to display
-                the video as an animated gif. (It may still display as a video
-                due to other factors.) The value is ignored if set on
-                non-video files. This is set to true for albums, as gifs cannot
-                be sent in albums.
+                track. If set to ``True``, the video will be displayed in
+                Telegram as a video. If set to ``False``, Telegram will attempt
+                to display the video as an animated gif. (It may still display
+                as a video due to other factors.) The value is ignored if set
+                on non-video files. This is set to ``True`` for albums, as gifs
+                cannot be sent in albums.
 
         Returns
             The sent `custom.Message <telethon.tl.custom.message.Message>`.
diff --git a/telethon/client/uploads.py b/telethon/client/uploads.py
index 84e55bf9..59228a72 100644
--- a/telethon/client/uploads.py
+++ b/telethon/client/uploads.py
@@ -287,13 +287,13 @@ class UploadMethods:
                 Not all types of media can be used with this parameter, such
                 as text documents, which will fail with ``TtlMediaInvalidError``.
 
-            nosound_video (`bool`. optional):
-                This value only applies if sending a video without an audio
-                track. If True, the video will be displayed in telegram as a
-                video. If False, telegram will attempt to display it as an
-                animated gif. (Though it may still display as a video,
-                depending on other factors.) The value is ignored if the file
-                is not a video. The value is set to True for albums, as gifs
+            nosound_video (`bool`, optional):
+                Only applicable when sending a video file without an audio
+                track. If set to ``True``, the video will be displayed in
+                Telegram as a video. If set to ``False``, Telegram will attempt
+                to display the video as an animated gif. (It may still display
+                as a video due to other factors.) The value is ignored if set
+                on non-video files. This is set to ``True`` for albums, as gifs
                 cannot be sent in albums.
 
         Returns