diff --git a/src/mcp_shell_server/server.py b/src/mcp_shell_server/server.py
index 0a57702..e9e423a 100644
--- a/src/mcp_shell_server/server.py
+++ b/src/mcp_shell_server/server.py
@@ -49,7 +49,7 @@ def get_tool_description(self) -> Tool:
                     },
                     "directory": {
                         "type": "string",
-                        "description": "Working directory where the command will be executed",
+                        "description": "Absolute path to a working directory where the command will be executed",
                     },
                     "timeout": {
                         "type": "integer",