diff --git a/src/google/adk/tools/mcp_tool/mcp_tool.py b/src/google/adk/tools/mcp_tool/mcp_tool.py
index fac71037..6553bb2c 100644
--- a/src/google/adk/tools/mcp_tool/mcp_tool.py
+++ b/src/google/adk/tools/mcp_tool/mcp_tool.py
@@ -49,7 +49,7 @@ logger = logging.getLogger("google_adk." + __name__)
 
 
 class MCPTool(BaseTool):
-  """Turns a MCP Tool into a Vertex Agent Framework Tool.
+  """Turns an MCP Tool into an ADK Tool.
 
   Internally, the tool initializes from a MCP Tool, and uses the MCP Session to
   call the tool.
@@ -63,9 +63,9 @@ class MCPTool(BaseTool):
       auth_scheme: Optional[AuthScheme] = None,
       auth_credential: Optional[AuthCredential] = None,
   ):
-    """Initializes a MCPTool.
+    """Initializes an MCPTool.
 
-    This tool wraps a MCP Tool interface and uses a session manager to
+    This tool wraps an MCP Tool interface and uses a session manager to
     communicate with the MCP server.
 
     Args:
@@ -111,7 +111,7 @@ class MCPTool(BaseTool):
 
     Args:
         args: The arguments as a dict to pass to the tool.
-        tool_context: The tool context from upper level ADK agent.
+        tool_context: The tool context of the current invocation.
 
     Returns:
         Any: The response from the tool.
@@ -119,6 +119,5 @@ class MCPTool(BaseTool):
     # Get the session from the session manager
     session = await self._mcp_session_manager.create_session()
 
-    # TODO(cheliu): Support passing tool context to MCP Server.
     response = await session.call_tool(self.name, arguments=args)
     return response