diff --git a/json_to_md.py b/json_to_md.py
index c9bfe81d..9c0d6b17 100644
--- a/json_to_md.py
+++ b/json_to_md.py
@@ -72,9 +72,9 @@ def get_details_block(summary, body, level=0, params_str=None):
 
     return (
         f"{prefix}<details>\n"
-        f"{prefix}<summary>{summary}</summary>\n\n"
+        f"<summary>{summary}</summary>\n\n"
         f"{indented_body}\n\n"
-        f"{prefix}</details>\n\n"
+        f"</details>\n\n"
     )