minor #20546 [TypeInfo] Fix typo (loevgaard)

This PR was merged into the 7.2 branch.

Discussion
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[TypeInfo] Fix typo

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Commits
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cf53d19 Fix typo

Author: javiereguiluz

components/type_info.rst

@@ -106,7 +106,7 @@ PHP package required for string resolving. Then, follow these steps::
 
     $typeResolver = TypeResolver::create();
     $typeResolver->resolve(new \ReflectionProperty(Dummy::class, 'id')); // returns an "int" Type
-    $typeResolver->resolve(new \ReflectionProperty(Dummy::class, 'id')); // returns a collection with "int" as key and "string" as values Type
+    $typeResolver->resolve(new \ReflectionProperty(Dummy::class, 'tags')); // returns a collection with "int" as key and "string" as values Type
 
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