Updated _Sidebar (markdown)

_Sidebar.md

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 * [Compile for Oculus Rift CV1](Compile-for-Oculus-Rift-CV1)
 
 ## Misc Help
-* [How To: Using SpriteFonts](How-To:-Using-SpriteFonts)
+* [How To: Using SpriteFonts](Using-SpriteFonts)
 * [How To: audio module as standalone library](Use-audio-module-as-standalone-library)
 * [How To: rlgl module as standalone library](Use-rlgl-module-as-standalone-library)
 * [FAQ](FAQ)