diff --git a/README.md b/README.md
index 4691c79..6b5b5d1 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 ![NPM](https://img.shields.io/npm/l/cross-origin-courier)
 ![GitHub top language](https://img.shields.io/github/languages/top/serglider/CrossOriginCourier)
 
-> #### This project is in active development.
+> #### This project is under active development.
 >
 > #### Until major version released, the API is a subject to change.
 
diff --git a/docs/classes/courier.default.html b/docs/classes/courier.default.html
index b34e523..61e9917 100644
--- a/docs/classes/courier.default.html
+++ b/docs/classes/courier.default.html
@@ -114,7 +114,7 @@ <h3>constructor</h3>
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/serglider/CrossOriginCourier/blob/a6614db/src/Courier.ts#L5">Courier.ts:5</a></li>
+									<li>Defined in <a href="https://github.com/serglider/CrossOriginCourier/blob/e936d35/src/Courier.ts#L5">Courier.ts:5</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-parameters-title">Parameters</h4>
@@ -136,7 +136,7 @@ <h3><span class="tsd-flag ts-flagPrivate">Private</span> port</h3>
 					<div class="tsd-signature tsd-kind-icon">port<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">MessagePort</span></div>
 					<aside class="tsd-sources">
 						<ul>
-							<li>Defined in <a href="https://github.com/serglider/CrossOriginCourier/blob/a6614db/src/Courier.ts#L5">Courier.ts:5</a></li>
+							<li>Defined in <a href="https://github.com/serglider/CrossOriginCourier/blob/e936d35/src/Courier.ts#L5">Courier.ts:5</a></li>
 						</ul>
 					</aside>
 				</section>
@@ -153,7 +153,7 @@ <h3>listen</h3>
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/serglider/CrossOriginCourier/blob/a6614db/src/Courier.ts#L14">Courier.ts:14</a></li>
+									<li>Defined in <a href="https://github.com/serglider/CrossOriginCourier/blob/e936d35/src/Courier.ts#L14">Courier.ts:14</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-parameters-title">Parameters</h4>
@@ -176,7 +176,7 @@ <h3>send</h3>
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/serglider/CrossOriginCourier/blob/a6614db/src/Courier.ts#L10">Courier.ts:10</a></li>
+									<li>Defined in <a href="https://github.com/serglider/CrossOriginCourier/blob/e936d35/src/Courier.ts#L10">Courier.ts:10</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-parameters-title">Parameters</h4>
diff --git a/docs/index.html b/docs/index.html
index 8d02371..3b06c96 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -63,8 +63,8 @@ <h1>cross-origin-courier</h1>
 					<img src="https://img.shields.io/npm/l/cross-origin-courier" alt="NPM">
 				<img src="https://img.shields.io/github/languages/top/serglider/CrossOriginCourier" alt="GitHub top language"></p>
 				<blockquote>
-					<a href="#this-project-is-in-active-development" id="this-project-is-in-active-development" style="color: inherit; text-decoration: none;">
-						<h4>This project is in active development.</h4>
+					<a href="#this-project-is-under-active-development" id="this-project-is-under-active-development" style="color: inherit; text-decoration: none;">
+						<h4>This project is under active development.</h4>
 					</a>
 					<a href="#until-major-version-released-the-api-is-a-subject-to-change" id="until-major-version-released-the-api-is-a-subject-to-change" style="color: inherit; text-decoration: none;">
 						<h4>Until major version released, the API is a subject to change.</h4>
diff --git a/docs/modules/index.html b/docs/modules/index.html
index 306e69d..8445846 100644
--- a/docs/modules/index.html
+++ b/docs/modules/index.html
@@ -90,7 +90,7 @@ <h3>default</h3>
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/serglider/CrossOriginCourier/blob/a6614db/src/index.ts#L10">index.ts:10</a></li>
+									<li>Defined in <a href="https://github.com/serglider/CrossOriginCourier/blob/e936d35/src/index.ts#L10">index.ts:10</a></li>
 								</ul>
 							</aside>
 							<div class="tsd-comment tsd-typography">
diff --git a/docs/modules/types.html b/docs/modules/types.html
index b2afafc..55f7fb0 100644
--- a/docs/modules/types.html
+++ b/docs/modules/types.html
@@ -88,7 +88,7 @@ <h3>Data<wbr>Handler</h3>
 					<div class="tsd-signature tsd-kind-icon">Data<wbr>Handler<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">(</span>data<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-type">void</span></div>
 					<aside class="tsd-sources">
 						<ul>
-							<li>Defined in <a href="https://github.com/serglider/CrossOriginCourier/blob/a6614db/src/types.ts#L1">types.ts:1</a></li>
+							<li>Defined in <a href="https://github.com/serglider/CrossOriginCourier/blob/e936d35/src/types.ts#L1">types.ts:1</a></li>
 						</ul>
 					</aside>
 					<div class="tsd-type-declaration">
@@ -119,7 +119,7 @@ <h3>Event<wbr>Handler</h3>
 					<div class="tsd-signature tsd-kind-icon">Event<wbr>Handler<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">(</span>event<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">MessageEvent</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-type">void</span></div>
 					<aside class="tsd-sources">
 						<ul>
-							<li>Defined in <a href="https://github.com/serglider/CrossOriginCourier/blob/a6614db/src/types.ts#L2">types.ts:2</a></li>
+							<li>Defined in <a href="https://github.com/serglider/CrossOriginCourier/blob/e936d35/src/types.ts#L2">types.ts:2</a></li>
 						</ul>
 					</aside>
 					<div class="tsd-type-declaration">
@@ -150,7 +150,7 @@ <h3>Joint<wbr>Options</h3>
 					<div class="tsd-signature tsd-kind-icon">Joint<wbr>Options<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">{ </span>isParent<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">boolean</span><span class="tsd-signature-symbol">; </span>passphrase<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">; </span>targetOrigin<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">TargetOrigin</span><span class="tsd-signature-symbol"> }</span></div>
 					<aside class="tsd-sources">
 						<ul>
-							<li>Defined in <a href="https://github.com/serglider/CrossOriginCourier/blob/a6614db/src/types.ts#L4">types.ts:4</a></li>
+							<li>Defined in <a href="https://github.com/serglider/CrossOriginCourier/blob/e936d35/src/types.ts#L4">types.ts:4</a></li>
 						</ul>
 					</aside>
 					<div class="tsd-type-declaration">
diff --git a/docs/modules/utils.html b/docs/modules/utils.html
index a623554..b5bbe9d 100644
--- a/docs/modules/utils.html
+++ b/docs/modules/utils.html
@@ -91,7 +91,7 @@ <h3>create<wbr>Custom<wbr>Handler</h3>
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/serglider/CrossOriginCourier/blob/a6614db/src/utils.ts#L3">utils.ts:3</a></li>
+									<li>Defined in <a href="https://github.com/serglider/CrossOriginCourier/blob/e936d35/src/utils.ts#L3">utils.ts:3</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-parameters-title">Parameters</h4>
@@ -114,7 +114,7 @@ <h3>is<wbr>Function</h3>
 						<li class="tsd-description">
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/serglider/CrossOriginCourier/blob/a6614db/src/utils.ts#L9">utils.ts:9</a></li>
+									<li>Defined in <a href="https://github.com/serglider/CrossOriginCourier/blob/e936d35/src/utils.ts#L9">utils.ts:9</a></li>
 								</ul>
 							</aside>
 							<h4 class="tsd-parameters-title">Parameters</h4>