update

Author: mrbullwinkle

articles/ai-foundry/openai/how-to/reasoning.md

@@ -75,7 +75,7 @@ Azure OpenAI reasoning models are designed to tackle reasoning and problem-solvi
 | `preamble` | GPT-5 series reasoning models have the ability to spend extra time *"thinking"* before executing a function/tool call.<br><br> When this planning occurs the model can provide insight into the planning steps in the model response via a new object called the `preamble` object.<br><br> Generation of preambles in the model response is not guaranteed though you can encourage the model by using the `instructions` parameter and passing content like "You MUST plan extensively before each function call. ALWAYS output your plan to the user before calling any function"|
 | **allowed tools** | You can specify multiple tools under `tool_choice` instead of just one.  |
 | **custom tool type** | Enables raw text (non-json) outputs |
-| [`lark_tool`](#) | Allows you to use some of the capabilities of [Python lark](https://github.com/lark-parser/lark) for more flexible constraining of model responses |
+| [`lark_tool`](#python-lark) | Allows you to use some of the capabilities of [Python lark](https://github.com/lark-parser/lark) for more flexible constraining of model responses |
 
 # [O-Series Reasoning Models](#tab/o-series)