Rewording, added notes and warnings

Author: squrious

src/LiveComponent/doc/index.rst

@@ -2333,6 +2333,15 @@ component, for example: ``https://my.domain/search?query=my+search+string``.
 Then, if you load this URL in your browser, your component will be initialized with the values provided in the query
 string.
 
+.. note::
+
+    URL is updated in place, no new entry is added to the browser's history.
+
+.. warning::
+
+    You can use multiple components with URL bindings in the same page, as long as bound field names don't collide.
+    Otherwise, you will observe unexpected behaviors.
+
 Supported data types
 ~~~~~~~~~~~~~~~~~~~~
 
@@ -2357,7 +2366,7 @@ Multiple bindings
 ~~~~~~~~~~~~~~~~~
 
 You can use as many URL bindings as you want in your component. To ensure the state is fully represented in the URL,
-all bound props will be added to query parameters, even if their values didn't change.
+all bound props will be set as query parameters, even if their values didn't change.
 
 For example, if you declare the following bindings::
 
@@ -2380,6 +2389,11 @@ And you only set the ``query`` value, then your URL will be updated to ``https:/
 Validation
 ~~~~~~~~~~
 
+.. caution::
+
+    It is recommended to validate data provided through query string parameters, so you can prevent malicious inputs
+    from being processed and rendered.
+
 To validate your component state when it is rendered for the first time, you have to setup a `PostMount hook`_::
 
     // ...
@@ -2409,6 +2423,9 @@ To validate your component state when it is rendered for the first time, you hav
         // ...
     }
 
+.. note::
+
+    You can use `validation groups`_ if you want to use specific validation rules only in the PostMount hook.
 
 .. _emit:
 
@@ -3424,3 +3441,4 @@ bound to Symfony's BC policy for the moment.
 .. _`pass content to Twig Components`: https://symfony.com/bundles/ux-twig-component/current/index.html#passing-blocks
 .. _`Twig Component debug command`: https://symfony.com/bundles/ux-twig-component/current/index.html#debugging-components
 .. _`PostMount hook`: https://symfony.com/bundles/ux-twig-component/current/index.html#postmount-hook
+.. _`validation groups`: https://symfony.com/doc/current/form/validation_groups.html