diff --git a/include/sys/kmem.h b/include/sys/kmem.h
index 89367c0691..7bdd6fe243 100644
--- a/include/sys/kmem.h
+++ b/include/sys/kmem.h
@@ -87,7 +87,7 @@ kmem_alloc_tryhard(size_t size, size_t *alloc_size, int kmflags)
  * Slab allocation interfaces
  */
 #undef  KMC_NOTOUCH                     /* No linux analog */
-#define KMC_NODEBUG                     0x00000000 /* Default beahvior */
+#define KMC_NODEBUG                     0x00000000 /* Default behavior */
 #define KMC_NOMAGAZINE                  /* No linux analog */
 #define KMC_NOHASH                      /* No linux analog */
 #define KMC_QCACHE                      /* No linux analog */