diff --git a/examples/src/guides/expression_language/how_to_routing_custom_function.ts b/examples/src/guides/expression_language/how_to_routing_custom_function.ts
index 864e6e5b6fff..eb1969be5257 100644
--- a/examples/src/guides/expression_language/how_to_routing_custom_function.ts
+++ b/examples/src/guides/expression_language/how_to_routing_custom_function.ts
@@ -39,7 +39,7 @@ Always answer questions starting with "As Harrison Chase told me".
 Respond to the following question:
 
 Question: {question}
-Answer:`,
+Answer:`
 ).pipe(model);
 
 const anthropicChain = ChatPromptTemplate.fromTemplate(
@@ -48,14 +48,14 @@ Always answer questions starting with "As Dario Amodei told me". \
 Respond to the following question:
 
 Question: {question}
-Answer:`,
+Answer:`
 ).pipe(model);
 
 const generalChain = ChatPromptTemplate.fromTemplate(
   `Respond to the following question:
 
 Question: {question}
-Answer:`,
+Answer:`
 ).pipe(model);
 
 const route = ({ topic }: { input: string; topic: string }) => {