diff --git a/doc/go_mem.html b/doc/go_mem.html
index 35ada4ea635..da45a07d7ab 100644
--- a/doc/go_mem.html
+++ b/doc/go_mem.html
@@ -169,7 +169,7 @@ In fact, an aggressive compiler might delete the entire go
statemen
If the effects of a goroutine must be observed by another goroutine, use a synchronization mechanism such as a lock or channel -communiation to establish a relative ordering. +communication to establish a relative ordering.