Fixed a couple of typos in the FileChooser docs

modules/juce_gui_basics/filebrowser/juce_FileChooser.h

@@ -222,7 +222,7 @@ public:
         if the user pressed 'ok' rather than cancelling).
 
         On mobile platforms, the file browser may return a URL instead of a local file.
-        Therefore, om mobile platforms, you should call getURLResult() instead.
+        Therefore, on mobile platforms, you should call getURLResult() instead.
 
         If you're using a multiple-file select, then use the getResults() method instead,
         to obtain the list of all files chosen.
@@ -235,7 +235,7 @@ public:
         browse method.
 
         On mobile platforms, the file browser may return a URL instead of a local file.
-        Therefore, om mobile platforms, you should call getURLResults() instead.
+        Therefore, on mobile platforms, you should call getURLResults() instead.
 
         This array may be empty if no files were chosen, or can contain multiple entries
         if multiple files were chosen.