minor symfony#2424 [Icons] fix small typo in Icons docs (karpilin)

This PR was merged into the 2.x branch.

Discussion
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[Icons] fix small typo in Icons docs

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| Issues        | n/A
| License       | MIT

Commits
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bce02be fix small typo in docs

Author: Kocal

src/Icons/doc/index.rst

@@ -503,7 +503,7 @@ returning the HTML output.
 
     .. code-block:: html+twig
 
-        {# The 🧸 will be ignore in the HTML output #}
+        {# The 🧸 will be ignored in the HTML output #}
         <twig:ux:icon name="user-profile" class="w-4 h-4">🧸</twig:ux:icon>
 
         {# Renders "user-profile.svg" #}