go/ast: fix typo in comment

LGTM=bradfitz
R=golang-codereviews, bradfitz
CC=golang-codereviews
https://golang.org/cl/111330043

diff --git a/src/pkg/go/ast/scope.go b/src/pkg/go/ast/scope.go
index 8df5b2c6565bad9cc000fa18545d9fa1a8d3ac42..df1529d18198ce7e24122064c6ae53ef33c39ad0 100644 (file)
--- a/src/pkg/go/ast/scope.go
+++ b/src/pkg/go/ast/scope.go
@@ -80,7 +80,7 @@ type Object struct {
        Name string      // declared name
        Decl interface{} // corresponding Field, XxxSpec, FuncDecl, LabeledStmt, AssignStmt, Scope; or nil
        Data interface{} // object-specific data; or nil
-       Type interface{} // place holder for type information; may be nil
+       Type interface{} // placeholder for type information; may be nil
 }
 
 // NewObj creates a new object of a given kind and name.