diff --git a/doc/go1.11.html b/doc/go1.11.html
index 41853ec3a6c..20f8c3f8e5d 100644
--- a/doc/go1.11.html
+++ b/doc/go1.11.html
@@ -309,7 +309,7 @@ func f(v interface{}) {
   in execution traces and create groups of related goroutines.
   The <code>go</code>&nbsp;<code>tool</code>&nbsp;<code>trace</code>
   command visualizes this information in the trace view and the new
-  user task/span analysis page.
+  user task/region analysis page.
 </p>
 
 <h2 id="runtime">Runtime</h2>