diff --git a/curriculum/challenges/english/blocks/lecture-working-with-audio-and-video/6733d8606fb893099e3d0df3.md b/curriculum/challenges/english/blocks/lecture-working-with-audio-and-video/6733d8606fb893099e3d0df3.md
index a04fb543599..09ed765cba5 100644
--- a/curriculum/challenges/english/blocks/lecture-working-with-audio-and-video/6733d8606fb893099e3d0df3.md
+++ b/curriculum/challenges/english/blocks/lecture-working-with-audio-and-video/6733d8606fb893099e3d0df3.md
@@ -99,7 +99,7 @@ Which API allows you to pass a user's webcam feed directly to a `video` element'
 
 ## --answers--
 
-Screen Capture API.
+Screen Capture API
 
 ### --feedback--
 
@@ -107,7 +107,7 @@ This core API extends the behavior of media sources.
 
 ---
 
-MediaStream Recording API.
+MediaStream Recording API
 
 ### --feedback--
 
@@ -115,11 +115,11 @@ This core API extends the behavior of media sources.
 
 ---
 
-Media Source Extensions API.
+Media Source Extensions API
 
 ---
 
-Web Audio API.
+Web Audio API
 
 ### --feedback--