minor #471 Fix typo (Ippey)

This PR was merged into the 2.x branch.

Discussion
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Fix typo

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no <!-- please update src/**/CHANGELOG.md files -->
| Tickets       | Fix #... <!-- prefix each issue number with "Fix #", no need to create an issue if none exist, explain below instead -->
| License       | MIT

Fixed typo.

Commits
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93ef2c0 Fix typo

Author: weaverryan

src/LiveComponent/src/Resources/doc/index.rst

@@ -205,7 +205,7 @@ the component:
 
     {{ component('random_number', { max: 500 }) }}
 
-But what's up with tha ``LiveProp`` attribute? A property with the
+But what's up with the ``LiveProp`` attribute? A property with the
 ``LiveProp`` attribute becomes a "stateful" property for this component.
 In other words, each time we click the "Generate a new number!" button,
 when the component re-renders, it will *remember* the original values