diff --git a/haystack/tools/__init__.py b/haystack/tools/__init__.py
index a1871c0f53..90ba022dd6 100644
--- a/haystack/tools/__init__.py
+++ b/haystack/tools/__init__.py
@@ -3,7 +3,8 @@
 # SPDX-License-Identifier: Apache-2.0
 
 
-from haystack.tools.component_tool import ComponentTool
+# ruff: noqa: I001 (ignore import order as we need to import Tool before ComponentTool)
 from haystack.tools.tool import Tool, _check_duplicate_tool_names, deserialize_tools_inplace
+from haystack.tools.component_tool import ComponentTool
 
-__all__ = ["ComponentTool", "Tool", "_check_duplicate_tool_names", "deserialize_tools_inplace"]
+__all__ = ["Tool", "_check_duplicate_tool_names", "deserialize_tools_inplace", "ComponentTool"]
diff --git a/haystack/tools/component_tool.py b/haystack/tools/component_tool.py
index eeb4118b0b..ae52b919f9 100644
--- a/haystack/tools/component_tool.py
+++ b/haystack/tools/component_tool.py
@@ -148,7 +148,7 @@ def _create_tool_parameters_schema(self, component: Component) -> Dict[str, Any]
 
         param_descriptions = self._get_param_descriptions(component.run)
 
-        for input_name, socket in component.__haystack_input__._sockets_dict.items():
+        for input_name, socket in component.__haystack_input__._sockets_dict.items():  # type: ignore[attr-defined]
             input_type = socket.type
             description = param_descriptions.get(input_name, f"Input '{input_name}' for the component.")
 
@@ -187,10 +187,8 @@ def _get_param_descriptions(self, method: Callable) -> Dict[str, str]:
             if not param.description:
                 logger.warning(
                     "Missing description for parameter '%s'. Please add a description in the component's "
-                    "run() method docstring using the format ':param %s: <description>'. "
-                    "This description helps the LLM understand how to use this parameter.",
-                    param.arg_name,
-                    param.arg_name,
+                    "run() method docstring using the format ':param %%s: <description>'. "
+                    "This description helps the LLM understand how to use this parameter." % param.arg_name
                 )
             param_descriptions[param.arg_name] = param.description.strip() if param.description else ""
         return param_descriptions