diff --git a/docs/index.html b/docs/index.html
index b0b6767..1047460 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -2,7 +2,7 @@
 <html>
 <head>
   <meta charset="utf-8" />
-  <title>term-ng 0.8.3 | Documentation</title>
+  <title>term-ng 0.8.4 | Documentation</title>
   <meta name="viewport" content="width=device-width,initial-scale=1">
   <link href="assets/css/ace.min.css" rel="stylesheet">
   <link href="assets/fonts/TypoPRO-Hack/TypoPRO-Hack.css" type="text/css" rel="stylesheet" />
@@ -15,7 +15,7 @@
     <div id='split-left' class='overflow-auto fs0 height-100 sidebar'>
       <div class='py1 px2'>
         <h3 class="m0 no-anchor">term-ng</h3>
-        <div class="mb1"><code>0.8.3</code></div>
+        <div class="mb1"><code>0.8.4</code></div>
         <input
           placeholder="Filter"
           id="filter-input"
@@ -260,7 +260,7 @@ <h2 id="api" class="m0">
   
   <div class='clearfix'>
     
-      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/term-ng/blob/3c9d80a746e35d47c977bd2206f574eebc7f7ecd/src/index.js#L103-L162'>
+      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/term-ng/blob/0fe9c55fcdea5c49f727224e6212113a29d46558/src/index.js#L103-L162'>
       <span>src/index.js</span>
       </a>
     
@@ -316,7 +316,7 @@ <h3 class='left m0 panel-title' id='termng'>
   
   <div class='clearfix'>
     
-      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/term-ng/blob/3c9d80a746e35d47c977bd2206f574eebc7f7ecd/src/index.js#L112-L118'>
+      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/term-ng/blob/0fe9c55fcdea5c49f727224e6212113a29d46558/src/index.js#L112-L118'>
       <span>src/index.js</span>
       </a>
     
@@ -411,7 +411,7 @@ <h3 class='left m0 panel-title' id='termng'>
   
   <div class='clearfix'>
     
-      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/term-ng/blob/3c9d80a746e35d47c977bd2206f574eebc7f7ecd/src/index.js#L125-L125'>
+      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/term-ng/blob/0fe9c55fcdea5c49f727224e6212113a29d46558/src/index.js#L125-L125'>
       <span>src/index.js</span>
       </a>
     
@@ -480,7 +480,7 @@ <h3 class='left m0 panel-title' id='termng'>
   
   <div class='clearfix'>
     
-      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/term-ng/blob/3c9d80a746e35d47c977bd2206f574eebc7f7ecd/src/index.js#L132-L132'>
+      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/term-ng/blob/0fe9c55fcdea5c49f727224e6212113a29d46558/src/index.js#L132-L132'>
       <span>src/index.js</span>
       </a>
     
@@ -549,7 +549,7 @@ <h3 class='left m0 panel-title' id='termng'>
   
   <div class='clearfix'>
     
-      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/term-ng/blob/3c9d80a746e35d47c977bd2206f574eebc7f7ecd/src/index.js#L141-L144'>
+      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/term-ng/blob/0fe9c55fcdea5c49f727224e6212113a29d46558/src/index.js#L141-L144'>
       <span>src/index.js</span>
       </a>
     
@@ -637,7 +637,7 @@ <h3 class='left m0 panel-title' id='termng'>
   
   <div class='clearfix'>
     
-      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/term-ng/blob/3c9d80a746e35d47c977bd2206f574eebc7f7ecd/src/index.js#L153-L156'>
+      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/term-ng/blob/0fe9c55fcdea5c49f727224e6212113a29d46558/src/index.js#L153-L156'>
       <span>src/index.js</span>
       </a>
     
@@ -725,7 +725,7 @@ <h3 class='left m0 panel-title' id='termng'>
   
   <div class='clearfix'>
     
-      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/term-ng/blob/3c9d80a746e35d47c977bd2206f574eebc7f7ecd/src/index.js#L161-L161'>
+      <a class='pl3 pr1 right rounded github' href='https://MarkGriffiths@github.com/MarkGriffiths/term-ng/blob/0fe9c55fcdea5c49f727224e6212113a29d46558/src/index.js#L161-L161'>
       <span>src/index.js</span>
       </a>
     
diff --git a/readme.md b/readme.md
index fa19942..d7748dc 100644
--- a/readme.md
+++ b/readme.md
@@ -9,7 +9,7 @@
 
 ##### Developer
 
-[![David-developer](https://img.shields.io/david/dev/MarkGriffiths/term-ng.svg?branch=master&style=flat)](https://david-dm.org/MarkGriffiths/term-ng/master#info=devDependencies "David-developer") [![Rollup](https://img.shields.io/badge/es6-module%3Amjs_%E2%9C%94-64CA39.svg?style=flat&logo=data%3Aimage%2Fsvg%2Bxml%3Bbase64%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%2BCiAgPC9nPgo8L3N2Zz4K)](https://github.com/rollup/rollup/wiki/pkg.module "Rollup") [![Greenkeeper](https://badges.greenkeeper.io/MarkGriffiths/term-ng.svg)](https://greenkeeper.io/ "Greenkeeper")   
+[![Greenkeeper](https://badges.greenkeeper.io/MarkGriffiths/term-ng.svg)](https://greenkeeper.io/ "Greenkeeper") [![David-developer](https://img.shields.io/david/dev/MarkGriffiths/term-ng.svg?branch=master&style=flat)](https://david-dm.org/MarkGriffiths/term-ng/master#info=devDependencies "David-developer") [![Rollup](https://img.shields.io/badge/es6-module%3Amjs_%E2%9C%94-64CA39.svg?style=flat&logo=data%3Aimage%2Fsvg%2Bxml%3Bbase64%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%2BCiAgPC9nPgo8L3N2Zz4K)](https://github.com/rollup/rollup/wiki/pkg.module "Rollup")   
 
 ##### Help
 
