diff --git a/langchain/output_parsers/format_instructions.py b/langchain/output_parsers/format_instructions.py
index c91d6ca7..54e5c70c 100644
--- a/langchain/output_parsers/format_instructions.py
+++ b/langchain/output_parsers/format_instructions.py
@@ -1,6 +1,6 @@
 # flake8: noqa
 
-STRUCTURED_FORMAT_INSTRUCTIONS = """The output should be a markdown code snippet formatted in the following schema:
+STRUCTURED_FORMAT_INSTRUCTIONS = """The output should be a markdown code snippet formatted in the following schema, including the leading and trailing "\`\`\`json" and "\`\`\`":
 
 ```json
 {{