chore: fix quick start typos (#8520)

* chore: fix another typo

* chore: undo overzealous IDE changes

Author: Homeblest

docs/source/quick_start.md

@@ -61,7 +61,7 @@ See the [Tutorial](tutorial.md) for a more in depth guide.
 
 5.  **Transmit/Store the serialized FlatBuffer**
 
-    Use your serialized buffer however you want. Send it to someone, save if for
+    Use your serialized buffer however you want. Send it to someone, save it for
     later, etc...
 
     ```c++ title="my_monster_factory.cc" linenums="13"