diff --git a/Documentation/rest-api-changes.txt b/Documentation/rest-api-changes.txt
index 6b8281adeb..09ec415f9a 100644
--- a/Documentation/rest-api-changes.txt
+++ b/Documentation/rest-api-changes.txt
@@ -4389,7 +4389,7 @@ a project-specific rule.
 The response is a link:#submit-record[SubmitRecord] describing the
 permutations that satisfy the tested submit rule.
 
-If the submit rule was a np-op, the response is "`204 No Content`".
+If the submit rule was a no-op, the response is "`204 No Content`".
 
 .Response
 ----