diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 5ae5d85..fe78189 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -141,7 +141,7 @@
 #define ZS_MAX_ALLOC_SIZE	PAGE_SIZE
 
 /*
- * On systems with 4K page size, this gives 254 size classes! There is a
+ * On systems with 4K page size, this gives 255 size classes! There is a
  * trader-off here:
  *  - Large number of size classes is potentially wasteful as free page are
  *    spread across these classes