diff --git a/legacy/readme.md b/legacy/readme.md
index 50aae43c..aeb20242 100644
--- a/legacy/readme.md
+++ b/legacy/readme.md
@@ -47,7 +47,7 @@ async function example() {
 
   // send a message and wait for the response
   const response = await api.sendMessage(
-    'Write a python version of bubble sort.
+    'Write a python version of bubble sort.'
   )
 
   // response is a markdown-formatted string