Fix GitHub capitalization to follow brand guidelines (#239)

after-effects.md

@@ -99,7 +99,7 @@ Using alpha mattes can impact performance. If you're using an alpha matte or an
 
 ## Debugging
 
-If an animation is broken. Try debugging the animation by exporting only certain layers at a time to see which ones work and which ones don't. After you isolate the problem areas, be sure to file a github issue with the After effects file attached and then you can choose to remake those layers in a different way.
+If an animation is broken. Try debugging the animation by exporting only certain layers at a time to see which ones work and which ones don't. After you isolate the problem areas, be sure to file a GitHub issue with the After effects file attached and then you can choose to remake those layers in a different way.
 
 ## No Blending modes or Luma mattes
 
@@ -228,7 +228,7 @@ After its downloaded just use the camera to scan the QR code.
 
 If you're animation looks correct in the preview app, you are good to go!
 
-If it doesn't then its time to do some debugging. Check out our [After Effects debugging tips](/after-effects/debugging.md) to see some techniques to get your animation working. If all else fails file an issue on github in the respective repo ([iOS](http://www.github.com/airbnb/lottie-ios), [Android](http://www.github.com/airbnb/lottie-android)) with your AE file attached and we'll do our best to support you.
+If it doesn't then its time to do some debugging. Check out our [After Effects debugging tips](/after-effects/debugging.md) to see some techniques to get your animation working. If all else fails file an issue on GitHub in the respective repo ([iOS](http://www.github.com/airbnb/lottie-ios), [Android](http://www.github.com/airbnb/lottie-android)) with your AE file attached and we'll do our best to support you.
 
 
 # Advanced Illustrator to Lottie workflow

android.md

@@ -330,7 +330,7 @@ The Lottie for Android will automatically detect and report some errors. It does
 Check the [supported features page](/supported-features.md) on this site to see if you are using anything that isn't supported.
 
 ## Debug
-Try rendering individual parts of the animation to see which feature isn't rendering correctly. See if you can narrow it down to a specific combination of shapes and effects or anything more specific than "it doesn't look right". If the issue should be supported and isn't, file an issue on the appropriate lottie github page with a description and a zip of the aep file.
+Try rendering individual parts of the animation to see which feature isn't rendering correctly. See if you can narrow it down to a specific combination of shapes and effects or anything more specific than "it doesn't look right". If the issue should be supported and isn't, file an issue on the appropriate lottie GitHub page with a description and a zip of the aep file.
 
 ## Missing merge paths
 Merge paths are only available on KitKat and above so you must manually enable them using `enableMergePathsForKitKatAndAbove()`

home.md

@@ -69,7 +69,7 @@ Contributors are more than welcome. Just put up a PR to [github.com/airbnb](http
 
 ## Issues or feature requests?
 
-File github issues for anything that is unexpectedly broken. If an After Effects file is not working, please attach it to your issue. Debugging without the original file is much more difficult.
+File GitHub issues for anything that is unexpectedly broken. If an After Effects file is not working, please attach it to your issue. Debugging without the original file is much more difficult.
 
 ## Articles, Interviews & Podcasts