diff --git a/sources/Application/TwigBase/Twig/Extension.php b/sources/Application/TwigBase/Twig/Extension.php
index 2c5ebeffae..18721f9af1 100644
--- a/sources/Application/TwigBase/Twig/Extension.php
+++ b/sources/Application/TwigBase/Twig/Extension.php
@@ -153,8 +153,12 @@ class Extension
 			return twig_array_filter($oTwigEnv, $array, $arrow);
 		}, ['needs_environment' => true]);
 
-		// @since 3.3.0 N°8579
-		// Filter to remove spaces between HTML tags, overwrite the deprecated core "spaceless" filter
+		/**
+		 * Filter to remove spaces between HTML tags, overwrite the deprecated core "spaceless" filter
+		 * Usage in twig: {% apply spaceless %}some html{% endapply %}
+		 *
+		 * @since 3.2.3 3.3.0 N°8579
+		 */
 		$aFilters[] = new TwigFilter('spaceless', function (?string $content) {
 			return trim(preg_replace('/>\s+</', '><', $content ?? ''));
 		}, ['is_safe' => ['html']]);