docs: update typo in docs about agent tools (#18850)

fixes #18849

docs/docs/modules/agents/tools/index.ipynb

@@ -26,7 +26,7 @@
     "4. The function to call \n",
     "5. Whether the result of a tool should be returned directly to the user\n",
     "\n",
-    "It is useful to have all this information because this information can be used to build action-taking systems! The name, description, and JSON schema can be used the prompt the LLM so it knows how to specify what action to take, and then the function to call is equivalent to taking that action.\n",
+    "It is useful to have all this information because this information can be used to build action-taking systems! The name, description, and JSON schema can be used to prompt the LLM so it knows how to specify what action to take, and then the function to call is equivalent to taking that action.\n",
     "\n",
     "The simpler the input to a tool is, the easier it is for an LLM to be able to use it.\n",
     "Many agents will only work with tools that have a single string input.\n",