diff --git a/Doc/Manual/Php.html b/Doc/Manual/Php.html
index 7c970d169..8f8ab39c4 100644
--- a/Doc/Manual/Php.html
+++ b/Doc/Manual/Php.html
@@ -1162,7 +1162,7 @@ should suffice in most cases:
 </div>
 
 <p>
-If you only need to support SWIG >= 4.1.0, you can just use the
+If you only need to support SWIG &gt;= 4.1.0, you can just use the
 <tt>($error != NULL)</tt> condition.
 </p>