diff --git a/helper/schema/schema.go b/helper/schema/schema.go
index 5fbf673a6..7e832f14e 100644
--- a/helper/schema/schema.go
+++ b/helper/schema/schema.go
@@ -168,7 +168,7 @@ type Schema struct {
 	//
 	// Elem represents the element type. For a TypeMap, it must be a *Schema
 	// with a Type that is one of the primitives: TypeString, TypeBool,
-	// TypeInt or TypeFloat. Otherwise it may be either a *Schema or a
+	// TypeInt, or TypeFloat. Otherwise it may be either a *Schema or a
 	// *Resource. If it is *Schema, the element type is just a simple value.
 	// If it is *Resource, the element type is a complex structure,
 	// potentially with its own lifecycle.