diff --git a/arch/s390/include/asm/ap.h b/arch/s390/include/asm/ap.h
index b24459f692fa..3b95c6531a67 100644
--- a/arch/s390/include/asm/ap.h
+++ b/arch/s390/include/asm/ap.h
@@ -78,7 +78,7 @@ union ap_queue_status_reg {
 };
 
 /**
- * ap_intructions_available() - Test if AP instructions are available.
+ * ap_instructions_available() - Test if AP instructions are available.
  *
  * Returns true if the AP instructions are installed, otherwise false.
  */