Small changes to runnable docs (#11293)

<!-- Thank you for contributing to LangChain!

Replace this entire comment with:
  - **Description:** a description of the change, 
  - **Issue:** the issue # it fixes (if applicable),
  - **Dependencies:** any dependencies required for this change,
- **Tag maintainer:** for a quicker response, tag the relevant
maintainer (see below),
- **Twitter handle:** we announce bigger features on Twitter. If your PR
gets announced, and you'd like a mention, we'll gladly shout you out!

Please make sure your PR is passing linting and testing before
submitting. Run `make format`, `make lint` and `make test` to check this
locally.

See contribution guidelines for more information on how to write/run
tests, lint, etc:

https://github.com/langchain-ai/langchain/blob/master/.github/CONTRIBUTING.md

If you're adding a new integration, please include:
1. a test for the integration, preferably unit tests that do not rely on
network access,
2. an example notebook showing its use. It lives in `docs/extras`
directory.

If no one reviews your PR within a few days, please @-mention one of
@baskaryan, @eyurtsev, @hwchase17.
 -->

Author: nfcampos

docs/extras/expression_language/interface.ipynb

@@ -34,7 +34,9 @@
     "| --- | --- |\n",
     "|Prompt|Dictionary|\n",
     "|Retriever|Single string|\n",
-    "|Model| Single string, list of chat messages or a PromptValue|\n",
+    "|LLM, ChatModel| Single string, list of chat messages or a PromptValue|\n",
+    "|Tool|Single string, or dictionary, depending on the tool|\n",
+    "|OutputParser|The output of an LLM or ChatModel|\n",
     "\n",
     "The output type also varies by component:\n",
     "\n",
@@ -44,6 +46,8 @@
     "| ChatModel | ChatMessage |\n",
     "| Prompt | PromptValue |\n",
     "| Retriever | List of documents |\n",
+    "| Tool | Depends on the tool |\n",
+    "| OutputParser | Depends on the parser |\n",
     "\n",
     "Let's take a look at these methods! To do so, we'll create a super simple PromptTemplate + ChatModel chain."
    ]
@@ -303,7 +307,7 @@
    "source": [
     "## Parallelism\n",
     "\n",
-    "Let's take a look at how LangChain Expression Language support parralel requests as much as possible. For example, when using a RunnableMapping (often written as a dictionary) it executes each element in parralel."
+    "Let's take a look at how LangChain Expression Language support parallel requests as much as possible. For example, when using a RunnableMap (often written as a dictionary) it executes each element in parallel."
    ]
   },
   {