Minor reword

Author: javiereguiluz

components/filesystem.rst

@@ -83,20 +83,17 @@ exists
 presence of one or more files or directories and returns ``false`` if any of
 them is missing::
 
-    // if this absolute directory exists, return true
+    // if this absolute directory exists, returns true
     $fileSystem->exists('/tmp/photos');
 
-    // rabbit.jpg exists, bottle.png does not exist, return false
+    // if rabbit.jpg exists and bottle.png does not exist, returns false
+    // non-absolute paths are relative to the directory where the running PHP script is stored
     $fileSystem->exists(array('rabbit.jpg', 'bottle.png'));
 
 .. note::
 
     You can pass an array or any :phpclass:`Traversable` object as the first
     argument.
-    
-.. note::
-    If you are using non-absolute paths, the paths are relative to
-    the directory where the running PHP script is stored
 
 copy
 ~~~~