Update part7b.md

Grammar

Author: leburgeon

src/content/7/en/part7b.md

@@ -17,7 +17,7 @@ Within the last couple of years, many React libraries have begun to offer hook-b
 
 The [React Router's](https://reactrouter.com/en/main/start/tutorial) API we introduced in the [previous part](/en/part7/react_router) is also partially hook-based. Its hooks can be used to access URL parameters and the <i>navigation</i> object, which allows for manipulating the browser URL programmatically.
 
-As mentioned in [part 1](/en/part1/a_more_complex_state_debugging_react_apps#rules-of-hooks), hooks are not normal functions, and when using those we have to adhere to certain [rules or limitations](https://react.dev/warnings/invalid-hook-call-warning#breaking-rules-of-hooks). Let's recap the rules of using hooks, copied verbatim from the official React documentation:
+As mentioned in [part 1](/en/part1/a_more_complex_state_debugging_react_apps#rules-of-hooks), hooks are not normal functions, and when using these we have to adhere to certain [rules or limitations](https://react.dev/warnings/invalid-hook-call-warning#breaking-rules-of-hooks). Let's recap the rules of using hooks, copied verbatim from the official React documentation:
 
 **Don’t call Hooks inside loops, conditions, or nested functions.** Instead, always use Hooks at the top level of your React function.