fixing small mis-spelling

library/files/fetch

@@ -39,7 +39,7 @@ options:
     description:
       Allows you to override the default behavior of prepending hostname/path/to/file to
       the destination.  If dest ends with '/', it will use the basename of the source
-      file, similar to the copy module.  Obvioiusly this is only handy if the filenames
+      file, similar to the copy module.  Obviously this is only handy if the filenames
       are unqiue.
 requirements: []
 author: Michael DeHaan