diff --git a/options.xhtml b/options.xhtml
index 7e159bbe1..8e4c354f7 100644
--- a/options.xhtml
+++ b/options.xhtml
@@ -24008,7 +24008,7 @@ attribute set of (submodule)</p>
 <p>Declarative bookmarks.</p>
 
 <p><span class="emphasis"><em>Type:</em></span>
-(submodule) or ((list of ((bookmark submodule) or (directory submodule))) or (attribute set of ((bookmark submodule) or (directory submodule))) convertible to it) convertible to it</p>
+(submodule) or ((list of ((bookmark submodule) or (directory submodule) or value “separator” (singular enum))) or (attribute set of ((bookmark submodule) or (directory submodule) or value “separator” (singular enum))) convertible to it) convertible to it</p>
 
 <p><span class="emphasis"><em>Default:</em></span>
 <code class="literal">{ }</code></p>
@@ -24080,7 +24080,7 @@ boolean</p>
 <p>Custom bookmarks.</p>
 
 <p><span class="emphasis"><em>Type:</em></span>
-(list of ((bookmark submodule) or (directory submodule))) or (attribute set of ((bookmark submodule) or (directory submodule))) convertible to it</p>
+(list of ((bookmark submodule) or (directory submodule) or value “separator” (singular enum))) or (attribute set of ((bookmark submodule) or (directory submodule) or value “separator” (singular enum))) convertible to it</p>
 
 <p><span class="emphasis"><em>Default:</em></span>
 <code class="literal">[ ]</code></p>
@@ -24096,6 +24096,7 @@ boolean</p>
     name = &quot;kernel.org&quot;;
     url = &quot;https://www.kernel.org&quot;;
   }
+  &quot;separator&quot;
   {
     name = &quot;Nix sites&quot;;
     toolbar = true;
@@ -25820,7 +25821,7 @@ attribute set of (submodule)</p>
 <p>Declarative bookmarks.</p>
 
 <p><span class="emphasis"><em>Type:</em></span>
-(submodule) or ((list of ((bookmark submodule) or (directory submodule))) or (attribute set of ((bookmark submodule) or (directory submodule))) convertible to it) convertible to it</p>
+(submodule) or ((list of ((bookmark submodule) or (directory submodule) or value “separator” (singular enum))) or (attribute set of ((bookmark submodule) or (directory submodule) or value “separator” (singular enum))) convertible to it) convertible to it</p>
 
 <p><span class="emphasis"><em>Default:</em></span>
 <code class="literal">{ }</code></p>
@@ -25892,7 +25893,7 @@ boolean</p>
 <p>Custom bookmarks.</p>
 
 <p><span class="emphasis"><em>Type:</em></span>
-(list of ((bookmark submodule) or (directory submodule))) or (attribute set of ((bookmark submodule) or (directory submodule))) convertible to it</p>
+(list of ((bookmark submodule) or (directory submodule) or value “separator” (singular enum))) or (attribute set of ((bookmark submodule) or (directory submodule) or value “separator” (singular enum))) convertible to it</p>
 
 <p><span class="emphasis"><em>Default:</em></span>
 <code class="literal">[ ]</code></p>
@@ -25908,6 +25909,7 @@ boolean</p>
     name = &quot;kernel.org&quot;;
     url = &quot;https://www.kernel.org&quot;;
   }
+  &quot;separator&quot;
   {
     name = &quot;Nix sites&quot;;
     toolbar = true;
@@ -41073,7 +41075,7 @@ boolean</p>
 <p>Custom bookmarks.</p>
 
 <p><span class="emphasis"><em>Type:</em></span>
-(list of ((bookmark submodule) or (directory submodule))) or (attribute set of ((bookmark submodule) or (directory submodule))) convertible to it</p>
+(list of ((bookmark submodule) or (directory submodule) or value “separator” (singular enum))) or (attribute set of ((bookmark submodule) or (directory submodule) or value “separator” (singular enum))) convertible to it</p>
 
 <p><span class="emphasis"><em>Default:</em></span>
 <code class="literal">[ ]</code></p>
@@ -41089,6 +41091,7 @@ boolean</p>
     name = &quot;kernel.org&quot;;
     url = &quot;https://www.kernel.org&quot;;
   }
+  &quot;separator&quot;
   {
     name = &quot;Nix sites&quot;;
     toolbar = true;