Fix typo in Multi-Agent Design Patterns -> Intro docs (microsoft#4991)

Author: timrogers

python/packages/autogen-core/docs/src/user-guide/core-user-guide/design-patterns/intro.md

@@ -9,7 +9,7 @@ like software development.
 
 A multi-agent design pattern is a structure that emerges from message protocols:
 it describes how agents interact with each other to solve problems.
-For example, the [tool-equiped agent](../framework/tools.ipynb#tool-equipped-agent) in
+For example, the [tool-equipped agent](../framework/tools.ipynb#tool-equipped-agent) in
 the previous section employs a design pattern called ReAct,
 which involves an agent interacting with tools.