Impacting the x11 filename change

reference/_compiling.rst

@@ -7,7 +7,7 @@ Compiling
 
    introduction_to_the_buildsystem
    compiling_for_windows
-   compiling_for_linux
+   compiling_for_x11
    compiling_for_osx
    compiling_for_android
    compiling_for_ios