diff --git a/src/pkg/encoding/gob/doc.go b/src/pkg/encoding/gob/doc.go
index 96885f8ded4..821d9a3fe8e 100644
--- a/src/pkg/encoding/gob/doc.go
+++ b/src/pkg/encoding/gob/doc.go
@@ -116,7 +116,7 @@ uninterpreted bytes of the value.
 All other slices and arrays are sent as an unsigned count followed by that many
 elements using the standard gob encoding for their type, recursively.
 
-Maps are sent as an unsigned count followed by that man key, element
+Maps are sent as an unsigned count followed by that many key, element
 pairs. Empty but non-nil maps are sent, so if the sender has allocated
 a map, the receiver will allocate a map even no elements are
 transmitted.