Merge pull request #5301 from electron/webframe-docs

Update module names in docs

docs/api/content-tracing.md

@@ -28,7 +28,7 @@ contentTracing.startRecording(options, function() {
 
 ## Methods
 
-The `content-tracing` module has the following methods:
+The `contentTracing` module has the following methods:
 
 ### `contentTracing.getCategories(callback)`
 

docs/api/web-frame.md

@@ -12,7 +12,7 @@ webFrame.setZoomFactor(2);
 
 ## Methods
 
-The `web-frame` module has the following methods:
+The `webFrame` module has the following methods:
 
 ### `webFrame.setZoomFactor(factor)`