diff --git a/doc/effective_go.html b/doc/effective_go.html
index 096a6552146..939d05a7d7b 100644
--- a/doc/effective_go.html
+++ b/doc/effective_go.html
@@ -69,7 +69,7 @@ With Go we take an unusual
 approach and let the machine
 take care of most formatting issues.
 The <code>gofmt</code> program
-(also available as <code>go tool fmt</code>, which
+(also available as <code>go fmt</code>, which
 operates at the package level rather than source file level)
 reads a Go program
 and emits the source in a standard style of indentation
diff --git a/doc/effective_go.tmpl b/doc/effective_go.tmpl
index 340acb4d9f3..d9539893162 100644
--- a/doc/effective_go.tmpl
+++ b/doc/effective_go.tmpl
@@ -65,7 +65,7 @@ With Go we take an unusual
 approach and let the machine
 take care of most formatting issues.
 The <code>gofmt</code> program
-(also available as <code>go tool fmt</code>, which
+(also available as <code>go fmt</code>, which
 operates at the package level rather than source file level)
 reads a Go program
 and emits the source in a standard style of indentation