diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h
index 66a272dfd8b8aa0d5fcb788ace9bec17da31e236..9899afa0283e1e23bcaa197c583e74b502cd01f0 100644
--- a/arch/x86/include/asm/percpu.h
+++ b/arch/x86/include/asm/percpu.h
@@ -105,7 +105,7 @@ do {							\
 
 /*
  * Generate a percpu add to memory instruction and optimize code
- * if a one is added or subtracted.
+ * if one is added or subtracted.
  */
 #define percpu_add_op(var, val)						\
 do {									\