org.el: (org-do-emphasis-faces): docstring fix.

lisp/org.el

@@ -5065,7 +5065,7 @@ The time stamps may be either active or inactive.")
 (defvar org-emph-face nil)
 
 (defun org-do-emphasis-faces (limit)
-  "Run through the buffer and add overlays to links."
+  "Run through the buffer and add overlays to emphasised strings."
   (let (rtn a)
     (while (and (not rtn) (re-search-forward org-emph-re limit t))
       (if (not (= (char-after (match-beginning 3))