diff --git a/source/guide/components.md b/source/guide/components.md
index fa03dc1f02..214a2a916a 100644
--- a/source/guide/components.md
+++ b/source/guide/components.md
@@ -260,7 +260,7 @@ The `type` can be one of the following native constructors:
 - Object
 - Array
 
-In addition, `type` can also be a custom constructor function and the the assertion will be made with an `instanceof` check.
+In addition, `type` can also be a custom constructor function and the assertion will be made with an `instanceof` check.
 
 When a prop validation fails, Vue will refuse the set the value on the child component, and throw a warning if using the development build.