Change URL to PATH for appIcon and contentImage

Author: julienXX

README.markdown

@@ -166,17 +166,17 @@ For information on the `ID` see the `-activate` option.
 
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-`-appIcon URL` **[10.9+ only]**
+`-appIcon PATH` **[10.9+ only]**
 
-Specifies The URL of an image to display instead of the application icon.
+Specifies The PATH of an image to display instead of the application icon.
 
 **WARNING: This option is subject to change since it relies on a private method.**
 
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-`-contentImage URL` **[10.9+ only]**
+`-contentImage PATH` **[10.9+ only]**
 
-Specifies The URL of an image to display attached inside the notification.
+Specifies The PATH of an image to display attached inside the notification.
 
 **WARNING: This option is subject to change since it relies on a private method.**