diff --git a/mozilla/js/src/xpconnect/src/Makefile.in b/mozilla/js/src/xpconnect/src/Makefile.in
index 0f6060148fb..52a74f4fb0f 100644
--- a/mozilla/js/src/xpconnect/src/Makefile.in
+++ b/mozilla/js/src/xpconnect/src/Makefile.in
@@ -143,7 +143,7 @@ endif
 ifeq ($(OS_ARCH),WINNT)
 ifndef GNU_CXX
 ifeq (,$(filter-out 1200 1300 1310,$(_MSC_VER)))
-# whole program optimization and precompiled headers are incompatible
+# whole program optimization and precompiled headers are incompatible
 ifeq (,$(findstring GL,$(CXXFLAGS)))
 # use pre-compiled headers
 CXXFLAGS	+= -YX -Fp$(LIBRARY_NAME).pch