diff --git a/wp-includes/html-api/class-wp-html-tag-processor.php b/wp-includes/html-api/class-wp-html-tag-processor.php
index fe8a20c1ea..e41e112055 100644
--- a/wp-includes/html-api/class-wp-html-tag-processor.php
+++ b/wp-includes/html-api/class-wp-html-tag-processor.php
@@ -1619,7 +1619,6 @@ class WP_HTML_Tag_Processor {
 				( 'p' === $html[ $at + 4 ] || 'P' === $html[ $at + 4 ] ) &&
 				( 't' === $html[ $at + 5 ] || 'T' === $html[ $at + 5 ] )
 			) ) {
-				++$at;
 				continue;
 			}
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index ada4393a90..b9ae647c35 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '7.1-alpha-62508';
+$wp_version = '7.1-alpha-62509';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.