diff --git a/php/monoformat_schema.php b/php/monoformat_schema.php
index 58a4b6b..a26b3a4 100644
--- a/php/monoformat_schema.php
+++ b/php/monoformat_schema.php
@@ -164,16 +164,19 @@ class TextFlags {
     use FlagStruct;
 
     public bool $dark = false;
+    public bool $autoWordWrap = false;
 
     public static function fromBitField(int $bitfield): TextFlags {
         $result = new TextFlags();
         $result->dark = isBitSet($bitfield, 0);
+        $result->autoWordWrap = isBitSet($bitfield, 1);
         return $result;
     }
 
     public function toBitField(): int {
         $result = 0;
         maybeSetBit($result, 0, $this->dark);
+        maybeSetBit($result, 1, $this->autoWordWrap);
         return $result;
     }
 }