diff --git a/doc/go1.17.html b/doc/go1.17.html
index 22896c8c27..3551ba46c8 100644
--- a/doc/go1.17.html
+++ b/doc/go1.17.html
@@ -401,7 +401,7 @@ func Foo() bool {
 
 <p><!-- golang.org/issue/40724 -->
   Go 1.17 implements a new way of passing function arguments and results using
-  registers instead of the stack. This work is enabled for Linux, MacOS, and
+  registers instead of the stack. This work is enabled for Linux, macOS, and
   Windows on the 64-bit x86 architecture (the <code>linux/amd64</code>,
   <code>darwin/amd64</code>, <code>windows/amd64</code> ports). For a
   representative set of Go packages and programs, benchmarking has shown