Update core/tools/definitions/grepSearch.ts

Co-authored-by: cubic-dev-ai[bot] <191113872+cubic-dev-ai[bot]@users.noreply.github.com>

Author: uinstinct

core/tools/definitions/grepSearch.ts

@@ -21,7 +21,7 @@ export const grepSearchTool: Tool = {
         query: {
           type: "string",
           description:
-            "The regex pattern to search for within file contents. Use regex with alternation (e.g., 'word1|word2|word3) or character classes to find multiple potential words in a single search.",
+            "The regex pattern to search for within file contents. Use regex with alternation (e.g., 'word1|word2|word3') or character classes to find multiple potential words in a single search.",
         },
       },
     },