diff --git a/man2/semop.2 b/man2/semop.2
index 45c16ba21..f450d5823 100644
--- a/man2/semop.2
+++ b/man2/semop.2
@@ -504,7 +504,7 @@ and then increment the semaphore value by one.
     sops[0].sem_flg = 0;
 
     sops[1].sem_num = 0;        /* Operate on semaphore 0 */
-    sops[1].sem_op = 0;         /* Increment value by one */
+    sops[1].sem_op = 1;         /* Increment value by one */
     sops[1].sem_flg = 0;
 
     if (semop(semid, &sop, 2) == \-1) {