diff --git a/src/cmd/go/doc.go b/src/cmd/go/doc.go
index 946b18875e2..cf3a54565a2 100644
--- a/src/cmd/go/doc.go
+++ b/src/cmd/go/doc.go
@@ -260,7 +260,7 @@ Go generate sets several variables when it runs the generator:
 	$GOPACKAGE
 		The name of the package of the file containing the directive.
 
-Other than variable substition and quoted-string evaluation, no
+Other than variable substitution and quoted-string evaluation, no
 special processing such as "globbing" is performed on the command
 line.
 
diff --git a/src/cmd/go/generate.go b/src/cmd/go/generate.go
index 4227abbe7c5..a83cce8f7ac 100644
--- a/src/cmd/go/generate.go
+++ b/src/cmd/go/generate.go
@@ -58,7 +58,7 @@ Go generate sets several variables when it runs the generator:
 	$GOPACKAGE
 		The name of the package of the file containing the directive.
 
-Other than variable substition and quoted-string evaluation, no
+Other than variable substitution and quoted-string evaluation, no
 special processing such as "globbing" is performed on the command
 line.