diff --git a/src/lib/eina/eina_strbuf.h b/src/lib/eina/eina_strbuf.h
index eeea11c47f..49b83e0332 100644
--- a/src/lib/eina/eina_strbuf.h
+++ b/src/lib/eina/eina_strbuf.h
@@ -248,7 +248,7 @@ EAPI Eina_Bool eina_strbuf_append_slice(Eina_Strbuf *buf, const Eina_Slice slice
  * @return #EINA_TRUE on success, #EINA_FALSE on failure.
  *
  * This function appends @p data to @p buf. @p data must be allocated and
- * different from @NULL. It is slightly faster than eina_strbuf_append() as
+ * different from @c NULL. It is slightly faster than eina_strbuf_append() as
  * it does not compute the size of @p str. If @p buf can't append it,
  * #EINA_FALSE is returned, otherwise #EINA_TRUE is returned.
  *