diff --git a/packages/oui-message/README.md b/packages/oui-message/README.md
index 3a082ae9..40f1b7cc 100644
--- a/packages/oui-message/README.md
+++ b/packages/oui-message/README.md
@@ -4,28 +4,26 @@
 
 ## Usage
 
-### Information
+### Basic
 
 ```html:preview
 <oui-message type="info">Message</oui-message>
-```
-
-### Success
-
-```html:preview
 <oui-message type="success">Message</oui-message>
+<oui-message type="warning">Message</oui-message>
+<oui-message type="error">Message</oui-message>
 ```
 
-### Warning
+**Note**: Messages of type `info` and `success` are dismissable by default.
 
-```html:preview
-<oui-message type="warning">Message</oui-message>
-```
+### Dismissable
 
-### Error
+You can force the dismissable state by adding `dismissable` attribute.
 
 ```html:preview
-<oui-message type="error">Message</oui-message>
+<oui-message type="info" dismissable="false">Message</oui-message>
+<oui-message type="success" dismissable="false">Message</oui-message>
+<oui-message type="warning" dismissable>Message</oui-message>
+<oui-message type="error" dismissable>Message</oui-message>
 ```
 
 ### Accessibility
@@ -39,5 +37,6 @@
 | Attribute                 | Type      | Binding   | One-time binding  | Values                                | Default   | Description
 | ----                      | ----      | ----      | ----              | ----                                  | ----      | ----
 | `type`                    | string    | @         | yes               | `info`, `success`, `warning`, `error` | n/a       | message type
-| `aria-close-button-label` | function  | @?        | yes               | n/a                                   | n/a       | accessibility label for close button
+| `aria-close-button-label` | string    | @?        | yes               | n/a                                   | n/a       | accessibility label for close button
+| `dismissable`             | boolean   | <?        | yes               | `true`, `false`                       | n/a       | dismissable flag for close button
 | `on-dismissed`            | function  | &?        | no                | n/a                                   | n/a       | dismissed handler
diff --git a/packages/oui-message/src/message.component.js b/packages/oui-message/src/message.component.js
index 511c6bfd..008b705b 100644
--- a/packages/oui-message/src/message.component.js
+++ b/packages/oui-message/src/message.component.js
@@ -8,7 +8,7 @@ export default {
         type: "@",
         ariaCloseButtonLabel: "@?",
         dismissable: "<?",
-        onDismissed: "&?"
+        onDismissed: "&"
     },
     transclude: true
 };
diff --git a/packages/oui-message/src/message.controller.js b/packages/oui-message/src/message.controller.js
index 8f75d0c5..752bec94 100644
--- a/packages/oui-message/src/message.controller.js
+++ b/packages/oui-message/src/message.controller.js
@@ -1,4 +1,4 @@
-import { addBooleanParameter } from "@oui-angular/common/component-utils";
+import { addBooleanParameter, addDefaultParameter } from "@oui-angular/common/component-utils";
 
 export default class {
     constructor ($attrs) {
@@ -8,14 +8,13 @@ export default class {
     }
 
     $onInit () {
+        // Guidelines default value for dismissable attribute
+        addDefaultParameter(this, "dismissable", this.type === "info" || this.type === "success");
         addBooleanParameter(this, "dismissable");
     }
 
     dismiss () {
         this.dismissed = true;
-
-        if (this.onDismissed) {
-            this.onDismissed();
-        }
+        this.onDismissed();
     }
 }
diff --git a/packages/oui-message/src/message.html b/packages/oui-message/src/message.html
index dd4b09cf..c4b19880 100644
--- a/packages/oui-message/src/message.html
+++ b/packages/oui-message/src/message.html
@@ -1,7 +1,7 @@
 <div ng-if="!$ctrl.dismissed" ng-class=":: 'oui-message oui-message_' + $ctrl.type" role="alert">
     <span class="oui-icon oui-icon_bicolor" ng-class=":: 'oui-icon-' + $ctrl.type + '_circle'" aria-hidden="true"></span>
     <div class="oui-message__body" ng-class=":: 'oui-message__body_' + $ctrl.type" ng-transclude></div>
-    <button ng-if=":: $ctrl.type === 'info' || $ctrl.type === 'success' || $ctrl.dismissable"
+    <button ng-if="::$ctrl.dismissable"
         class="oui-icon oui-icon-close oui-message__close-button"
         type="button"
         ng-click="$ctrl.dismiss()"