diff --git a/winsup/cygwin/include/fenv.h b/winsup/cygwin/include/fenv.h
index 95c2e31ea..7ec5d4d7d 100644
--- a/winsup/cygwin/include/fenv.h
+++ b/winsup/cygwin/include/fenv.h
@@ -24,7 +24,7 @@ extern "C" {
      C99 Language spec (draft n1256):
    <url unknown>
 
-     Intel® 64 and IA-32 Architectures Software Developer’s Manuals:
+     Intel(R) 64 and IA-32 Architectures Software Developer's Manuals:
    http://www.intel.com/products/processor/manuals/
 
      GNU C library manual pages: