chore: cleanup

Author: NathanWalker

content/guide/core/utils.md

@@ -203,13 +203,25 @@ Utils.executeOnMainThread(fn: Function)
 ```
 Checks if the current thread is the main thread. If it is, calls the passed function. Otherwise, it dispatches it to the main thread.
 
+:::warning Important!
+
+This will be made synchronously when invoked from the main thread, or asynchronously if it's not.
+
+:::
+
 ---
 ### executeOnUIThread()
 ```ts
 Utils.executeOnUIThread(fn: Function)
 ```
 Runs the passed function on the UI Thread.
 
+:::warning Important!
+
+Always dispatches asynchronously to the UI thread.
+
+:::
+
 ---
 ### mainThreadify()
 ```ts

content/index.md

@@ -6,7 +6,9 @@ contributors:
 
 ## What is NativeScript?
 
-NativeScript provides platform APIs directly to the JavaScript runtime (_with strong types_) for a rich TypeScript development experience, which can be used to build cross platform apps. This is facilitated by the iOS (@nativescript/ios) and Android (@nativescript/android) runtimes. To aid in cross-platform development, common use-cases are implemented in @nativescript/core utilizing the underlying native APIs provided by each runtime.
+NativeScript provides platform APIs directly to the JavaScript runtime (_with strong types_) for a rich TypeScript development experience, which can be used to build cross platform apps. This is facilitated by the iOS (@nativescript/ios) and Android (@nativescript/android) runtimes.
+
+To aid in cross-platform development, common use-cases are implemented in @nativescript/core utilizing the underlying native APIs provided by each runtime.
 
 The "frontend" code can be authored in various frameworks often referred to as _flavors_. The currently supported flavors consist of the following:
 

content/sidebar.ts

@@ -25,14 +25,14 @@ export default [
             text: 'Running',
             link: '/guide/running',
           },
-          {
-            text: 'Testing',
-            link: '/guide/testing'
-          },
           {
             text: 'Debugging',
             link: '/guide/debugging',
           },
+          {
+            text: 'Testing',
+            link: '/guide/testing'
+          },
           {
             text: 'Plugins',
             link: '/guide/development-workflow/using-packages'