diff --git a/options.xhtml b/options.xhtml
index 64977943..3839201e 100644
--- a/options.xhtml
+++ b/options.xhtml
@@ -878,10 +878,10 @@ The command will be called with the path of the new/updated
 file.</p>
 
 <p><span class="emphasis"><em>Type:</em></span>
-strings concatenated with “\n”</p>
+null or strings concatenated with “\n”</p>
 
 <p><span class="emphasis"><em>Default:</em></span>
-<code class="literal">&quot;&quot;</code></p>
+<code class="literal">null</code></p>
 
 <p><span class="emphasis"><em>Declared by:</em></span></p>
 <table border="0" summary="Simple list" class="simplelist">
@@ -1749,10 +1749,10 @@ The command will be called with the path of the new/updated
 file.</p>
 
 <p><span class="emphasis"><em>Type:</em></span>
-strings concatenated with “\n”</p>
+null or strings concatenated with “\n”</p>
 
 <p><span class="emphasis"><em>Default:</em></span>
-<code class="literal">&quot;&quot;</code></p>
+<code class="literal">null</code></p>
 
 <p><span class="emphasis"><em>Declared by:</em></span></p>
 <table border="0" summary="Simple list" class="simplelist">