docs: fix typos (#3042)

Author: dngur9801

docs/hooks/use-shallow.md

@@ -109,7 +109,7 @@ Finally, we combine both components in the `App` component to see them in action
 export default function App() {
   return (
     <>
-      <UpdateBabyBearPorridge />
+      <UpdateBabyBearMeal />
       <BearNames />
     </>
   )
@@ -186,7 +186,9 @@ the state change:
 
 ```tsx
 function BearNames() {
-  const names = useBearFamilyStore(useShallow((state) => Object.keys(state)))
+  const names = useBearFamilyMealsStore(
+    useShallow((state) => Object.keys(state)),
+  )
 
   return <div>{names.join(', ')}</div>
 }

docs/middlewares/immer.md

@@ -180,7 +180,10 @@ const personStore = createStore<PersonStore>()(
     },
     setPerson: (nextPerson) =>
       set((state) => {
-        state.person = typeof nextPerson ? nextPerson(state.person) : nextPerson
+        state.person =
+          typeof nextPerson === 'function'
+            ? nextPerson(state.person)
+            : nextPerson
       }),
   })),
 )