diff --git a/.gitignore b/.gitignore
index 9b09303d..4d8f8c84 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
 __pycache__/
 *.py[cod]
 *$py.class
+results.txt
 experiments/
 
 experiments
diff --git a/application/agents/tools/internal_search.py b/application/agents/tools/internal_search.py
index 18b9c514..66f91e83 100644
--- a/application/agents/tools/internal_search.py
+++ b/application/agents/tools/internal_search.py
@@ -112,7 +112,7 @@ class InternalSearchTool(Tool):
             docs = retriever.search(query)
         except Exception as e:
             logger.error(f"Internal search failed: {e}", exc_info=True)
-            return f"Search failed: {str(e)}"
+            return "Search failed: an internal error occurred."
 
         if not docs:
             return "No documents found matching your query."
diff --git a/results.txt b/results.txt
deleted file mode 100644
index beff8056..00000000
--- a/results.txt
+++ /dev/null
@@ -1,12 +0,0 @@
-Base URL:http://petstore.swagger.io,https://api.example.com
-Path1: /pets
-description: None
-parameters: []
-methods: 
-get=A paged array of pets
-post=Null response
-Path2: /pets/{petId}
-description: None
-parameters: []
-methods: 
-get=Expected response to a valid request