diff --git a/docs/config.html b/docs/config.html
index e43c2f2f3..8288f691a 100644
--- a/docs/config.html
+++ b/docs/config.html
@@ -291,6 +291,15 @@
           <td><a href="property_types.html#integer">integer</a></td>
           <td><span class="default">8</span></td>
         </tr>
+        <tr>
+          <td>fileExtensions</td>
+          <td>file type extension to identify java files. Setting this property is
+              typically only required if your java source code is preprocessed before
+              compilation and the original files do not have the extension 
+              <span class="code">.java</span></td>
+          <td><a href="property_types.html#stringSet">String Set</a></td>
+          <td><span class="default">java</span></td>
+        </tr>
       </table>
 
       <p class="body">
diff --git a/docs/config_javadoc.html b/docs/config_javadoc.html
index cd221d379..c88fd0451 100644
--- a/docs/config_javadoc.html
+++ b/docs/config_javadoc.html
@@ -42,9 +42,28 @@
         <a name="PackageHtml"></a> <h2>PackageHtml</h2> <h4>Description</h4>
         <p class="body">
         Checks that a <span class="code">package.html</span> file exists for each
-        package.
+        package. More specifically, checks that each java file has a package.html sibling.
         </p>
 
+      <h4 class="body">Properties</h4>
+      <table width="100%" border="1" cellpadding="5" class="body">
+        <tr class="header">
+          <th>name</th>
+          <th>description</th>
+          <th>type</th>
+          <th>default value</th>
+        </tr>
+        <tr>
+          <td>fileExtensions</td>
+          <td>file type extension to identify java files. Setting this property is
+              typically only required if your java source files are preprocessed
+              and the original files do not have the extension
+              <span class="code">.java</span></td>
+          <td><a href="property_types.html#stringSet">String Set</a></td>
+          <td><span class="default">java</span></td>
+        </tr>
+      </table>
+
         <h4>Example</h4>
         <p class="body">
         To configure the check:
diff --git a/docs/config_misc.html b/docs/config_misc.html
index 266ac615f..2e0da3c03 100644
--- a/docs/config_misc.html
+++ b/docs/config_misc.html
@@ -399,6 +399,24 @@
       messages.properties: Key 'ok' missing.
       </pre>
       </p>
+      <h4 class="body">Properties</h4>
+      <table width="100%" border="1" cellpadding="5" class="body">
+        <tr class="header">
+          <th>name</th>
+          <th>description</th>
+          <th>type</th>
+          <th>default value</th>
+        </tr>
+        <tr>
+          <td>fileExtensions</td>
+          <td>file type extension to identify translation files. Setting this property
+              is typically only required if your translation files are preprocessed
+              and the original files do not have the extension
+              <span class="code">.properties</span></td>
+          <td><a href="property_types.html#stringSet">String Set</a></td>
+          <td><span class="default">properties</span></td>
+        </tr>
+      </table>
       <h4>Example</h4>
       <p class="body">
       To configure the check: