diff --git a/docs/content/3.manual/manual.yml b/docs/content/3.manual/manual.yml
index 31c7b2f0..3d82505f 100644
--- a/docs/content/3.manual/manual.yml
+++ b/docs/content/3.manual/manual.yml
@@ -1195,7 +1195,7 @@ sections:
         body: |
 
           Outputs its input with the given suffix string removed, if it
-          starts with it.
+          ends with it.
 
         examples:
           - program: '[.[]|rtrimstr("foo")]'