diff --git a/lisp/org-exp.el b/lisp/org-exp.el
index cdf82c011..de5b8844d 100644
--- a/lisp/org-exp.el
+++ b/lisp/org-exp.el
@@ -399,7 +399,7 @@ This option can also be set with the +OPTIONS line, e.g. \"-:nil\"."
 (defcustom org-export-with-TeX-macros t
   "Non-nil means, interpret simple TeX-like macros when exporting.
 For example, HTML export converts \\alpha to α and \\AA to Å.
-No only real TeX macros will work here, but the standard HTML entities
+Not only real TeX macros will work here, but the standard HTML entities
 for math can be used as macro names as well.  For a list of supported
 names in HTML export, see the constant `org-html-entities'.
 Not all export backends support this.