diff --git a/plug-in-development/index.html b/plug-in-development/index.html
index 75aafde..624f34c 100644
--- a/plug-in-development/index.html
+++ b/plug-in-development/index.html
@@ -251,6 +251,13 @@ class JavaBuildGenerator: ITemplateContributor {</pre>
                             Plug-ins that need to add flags to the compiler.
                         </td>
                     </tr>
+                    <tr>
+                        <td><code><a href="https://github.com/cbeust/kobalt/blob/master/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/api/IIncrementalTaskContributor.kt">IIncrementalTaskContributor</a></code></td>
+                        <td><a href="https://github.com/cbeust/kobalt/blob/master/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/api/IPluginActor.kt"><code>IContributor</code></a> </td>
+                        <td>
+                            Plug-ins that implement this interface provide incremental tasks.
+                        </td>
+                    </tr>
                     <tr>
                         <td><code><a href="https://github.com/cbeust/kobalt/blob/master/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/api/ICompilerInterceptor.kt">ICompilerInterceptor</a></code></td>
                         <td><a href="https://github.com/cbeust/kobalt/blob/master/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/api/IPluginActor.kt"><code>IInterceptor</code></a> </td>
@@ -314,6 +321,13 @@ class JavaBuildGenerator: ITemplateContributor {</pre>
                             Plug-ins that want to add, remove or alter the source directories should implement this interface.
                         </td>
                     </tr>
+                    <tr>
+                        <td><code><a href="https://github.com/cbeust/kobalt/blob/master/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/api/ITaskContributor.kt">ITaskContributor</a></code></td>
+                        <td><a href="https://github.com/cbeust/kobalt/blob/master/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/api/IPluginActor.kt"><code>IContributor</code></a> </td>
+                        <td>
+                            Plug-ins that implement this interface provide tasks.
+                        </td>
+                    </tr>
                     <tr>
                         <td><code><a href="https://github.com/cbeust/kobalt/blob/master/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/api/ITemplateContributor.kt">ITemplateContributor</a></code></td>
                         <td><a href="https://github.com/cbeust/kobalt/blob/master/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/api/IPluginActor.kt"><code>IContributor</code></a> </td>