Use semicolons for comment in INI File

docs/quickstart.rst

@@ -145,12 +145,14 @@ The result of just generated ``platformio.ini``:
 
 .. code-block:: ini
 
-    #
-    # PlatformIO Project Configuration File
-    #
-    # Please make sure to read documentation with examples first
-    # http://docs.platformio.org/en/stable/projectconf.html
-    #
+    ; PlatformIO Project Configuration File
+    ;
+    ;   Build options: build flags, source filter, extra scripting
+    ;   Upload options: custom port, speed and extra flags
+    ;   Library options: dependencies, extra library storages
+    ;
+    ; Please visit documentation for the other options and examples
+    ; http://docs.platformio.org/en/stable/projectconf.html
 
     [env:uno]
     platform = atmelavr