diff -r c2b9f369e7f6 api.annotations.common/apichanges.xml
--- a/api.annotations.common/apichanges.xml	Fri Nov 02 14:17:36 2012 +0100
+++ b/api.annotations.common/apichanges.xml	Fri Nov 02 19:08:38 2012 +0100
@@ -108,6 +108,22 @@
     <!-- ACTUAL CHANGES BEGIN HERE: -->
 
     <changes>
+        <change id="SuppressWarningsJustification">
+            <api name="common_annotations_api"/>
+            <summary>Added justification attribute to <code>SuppressWarnings</code></summary>
+            <version major="1" minor="18"/>
+            <date day="1" month="1" year="2013"/>
+            <author login="phejl"/>
+            <compatibility addition="yes"/>
+            <description>
+                <p>
+                    Introduced justificatio attribute to specify why it is ok to
+                    suppress a warning.
+                </p>
+            </description>
+            <class package="org.netbeans.api.annotations.common" name="SuppressWarnings"/>
+            <issue number="221381"/>
+        </change>
         <change id="StaticResource">
             <api name="common_annotations_api"/>
             <summary>Added <code>StaticResource</code></summary>
diff -r c2b9f369e7f6 api.annotations.common/manifest.mf
--- a/api.annotations.common/manifest.mf	Fri Nov 02 14:17:36 2012 +0100
+++ b/api.annotations.common/manifest.mf	Fri Nov 02 19:08:38 2012 +0100
@@ -2,5 +2,5 @@
 AutoUpdate-Show-In-Client: false
 OpenIDE-Module: org.netbeans.api.annotations.common/1
 OpenIDE-Module-Localizing-Bundle: org/netbeans/annotations/common/resources/Bundle.properties
-OpenIDE-Module-Specification-Version: 1.17
+OpenIDE-Module-Specification-Version: 1.18
 
diff -r c2b9f369e7f6 api.annotations.common/src/org/netbeans/api/annotations/common/SuppressWarnings.java
--- a/api.annotations.common/src/org/netbeans/api/annotations/common/SuppressWarnings.java	Fri Nov 02 14:17:36 2012 +0100
+++ b/api.annotations.common/src/org/netbeans/api/annotations/common/SuppressWarnings.java	Fri Nov 02 19:08:38 2012 +0100
@@ -62,4 +62,13 @@
      */
     String[] value() default {};
 
+    /**
+     * The justification for the suppression. Should be human readable
+     * description explaining why it is ok to suppress the message(s).
+     *
+     * @return the justification for the suppression
+     * @since 1.18
+     */
+    String justification() default "";
+
 }