diff --git a/test/Sema/function-sentinel-attr.c b/test/Sema/function-sentinel-attr.c
index 6630479..b33b4a0 100644
--- a/test/Sema/function-sentinel-attr.c
+++ b/test/Sema/function-sentinel-attr.c
@@ -18,7 +18,7 @@
   foo1(1, 0) ; // expected-warning {{missing sentinel in function call}}
   foo5(1, NULL, 2);  // OK
   foo5(1,2,NULL, 1); // OK
-  foo5(1, NULL, 2, 1);	// expected-warning {{missing sentinel in function call}}
+  foo5(1, NULL, 2, 1); // expected-warning {{missing sentinel in function call}}
 
   foo6(1,2,3,4,5,6,7); // expected-warning {{missing sentinel in function call}}
   foo6(1,NULL,3,4,5,6,7); // OK