Tiny fix in buildflag.h comment
BUG=
Review URL: https://codereview.chromium.org/1847123002
Cr-Commit-Position: refs/heads/master@{#384384}
diff --git a/build/buildflag.h b/build/buildflag.h
index 283f5bc..5776a754 100644
--- a/build/buildflag.h
+++ b/build/buildflag.h
@@ -11,7 +11,7 @@
// the setup to know what the flag is" as "flag is off". Normally you would
// include the generated header rather than include this file directly.
//
-// This is for use with generated headers. See build/build_header.gni.
+// This is for use with generated headers. See build/buildflag_header.gni.
// This dance of two macros does a concatenation of two preprocessor args using
// ## doubly indirectly because using ## directly prevents macros in that
