diff --git a/main.cpp b/main.cpp
index e40a42ee..e648c7b5 100644
--- a/main.cpp
+++ b/main.cpp
@@ -104,7 +104,7 @@ static void usage(int ret) {
 #endif // !ISPC_IS_WINDOWS
     printf("    [--target=<isa>]\t\t\tSelect target ISA. <isa>={%s}\n", Target::SupportedTargetISAs());
     printf("    [--version]\t\t\t\tPrint ispc version\n");
-    printf("    [--werror]\t\t\tTreat warnings as errors\n");
+    printf("    [--werror]\t\t\t\tTreat warnings as errors\n");
     printf("    [--woff]\t\t\t\tDisable warnings\n");
     printf("    [--wno-perf]\t\t\tDon't issue warnings related to performance-related issues\n");
     printf("    <file to compile or \"-\" for stdin>\n");