Merge pull request facebook#2750 from flipace/flipace-type-patch-1

fixed one typo

docs/Debugging.md

@@ -18,7 +18,7 @@ To access the in-app developer menu:
 > To disable the developer menu for production builds:
 >
 > 1. For iOS open your project in Xcode and select `Product` → `Scheme` → `Edit Scheme...` (or press `⌘ + <`). Next, select `Run` from the menu on the left and change the Build Configuration to `Release`.
-> 2. For Android, by default, developer menu will be disabled in release builds done by gradle (e.g with gralde `assembleRelease` task). Although this behavior can be customized by passing proper value to `ReactInstanceManager#setUseDeveloperSupport`.
+> 2. For Android, by default, developer menu will be disabled in release builds done by gradle (e.g with gradle `assembleRelease` task). Although this behavior can be customized by passing proper value to `ReactInstanceManager#setUseDeveloperSupport`.
 
 ### Reload
 Selecting `Reload` (or pressing `⌘ + r` in the iOS simulator) will reload the JavaScript that powers your application. If you have added new resources (such as an image to `Images.xcassets` on iOS or to `res/drawable` folder on Android) or modified any native code (Objective-C/Swift code on iOS or Java/C++ code on Android), you will need to re-build the app for the changes to take effect.