diff --git a/src/wp-includes/formatting.php b/src/wp-includes/formatting.php
index ddce906aa6..1cd0cf75c9 100644
--- a/src/wp-includes/formatting.php
+++ b/src/wp-includes/formatting.php
@@ -468,7 +468,7 @@ function wpautop( $pee, $br = true ) {
 
 	$allblocks = '(?:table|thead|tfoot|caption|col|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|form|map|area|blockquote|address|math|style|p|h[1-6]|hr|fieldset|legend|section|article|aside|hgroup|header|footer|nav|figure|figcaption|details|menu|summary)';
 
-	// Add a single line break above block-level opening tags.
+	// Add a double line break above block-level opening tags.
 	$pee = preg_replace('!(<' . $allblocks . '[\s/>])!', "\n\n$1", $pee);
 
 	// Add a double line break below block-level closing tags.