diff --git a/src/doprnt.c b/src/doprnt.c
index 22950ec6fad..838581f7acd 100644
--- a/src/doprnt.c
+++ b/src/doprnt.c
@@ -70,7 +70,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
      %<flags><width><precision><length>character
 
    where flags is [+ -0], width is [0-9]+, precision is .[0-9]+, and length
-   modifier is empty or l or ll.
+   is empty or l or ll.
 
    The + flag character inserts a + before any positive number, while a space
    inserts a space before any positive number; these flags only affect %d, %o,