diff --git a/docs/api-guide/validators.md b/docs/api-guide/validators.md
index fd1e221bd..925f67206 100644
--- a/docs/api-guide/validators.md
+++ b/docs/api-guide/validators.md
@@ -222,7 +222,7 @@ For example:
 
         class Meta:
             fields = ('client', 'date', 'amount')
-            extra_kwargs = {'client': {'required': 'False'}}
+            extra_kwargs = {'client': {'required': False}}
             validators = []  # Remove a default "unique together" constraint.
 
 ## Updating nested serializers