diff --git a/src/site/apt/usage.apt.vm b/src/site/apt/usage.apt.vm
index eed3963..726098d 100644
--- a/src/site/apt/usage.apt.vm
+++ b/src/site/apt/usage.apt.vm
@@ -127,3 +127,69 @@ mvn ... -Djarsigner.skip=true
 * How to use encrypted password
 
   Since version 1.3, you can pass to the plugin some password encrypted by the maven encryption mechanism.
+
+* Some issue with Plexus project that extracted XML part from plexus-utils
+<project>
+...
+ <build>
+  ...
+        <pluginManagement>
+            <plugins>
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-jarsigner-plugin</artifactId>
+                    <version>3.1.0</version>
+                    <dependencies>
+                        <dependency>
+                            <groupId>org.codehaus.plexus</groupId>
+                            <artifactId>plexus-xml</artifactId>
+                            <version>4.1.0</version>
+                        </dependency>
+                    </dependencies>
+                </plugin>
+            </plugins>
+           ...
+        </pluginManagement>
+  ...
+  <plugins>
+   ...
+   <plugin>
+    <groupId>org.apache.maven.plugins</groupId>
+    <artifactId>maven-jarsigner-plugin</artifactId>
+       <dependencies>
+           <dependency>
+               <groupId>org.codehaus.plexus</groupId>
+               <artifactId>plexus-utils</artifactId>
+               <version>4.0.2</version>
+           </dependency>
+           <dependency>
+               <groupId>org.codehaus.plexus</groupId>
+               <artifactId>plexus-xml</artifactId>
+               <version>4.1.0</version>
+           </dependency>
+       </dependencies>
+       <executions>
+           <execution>
+               <id>sign-jars</id>
+               <goals>
+                   <goal>sign</goal>
+               </goals>
+           </execution>
+           <execution>
+               <id>verify-jars</id>
+               <goals>
+                   <goal>verify</goal>
+               </goals>
+           </execution>
+       </executions>
+       <configuration>
+           <verbose>true</verbose>
+           <certs>true</certs>
+       ...
+       </configuration>
+      </plugin>
+      ...
+ </build>
+ ...
+</project>
+