xdoc <source> tag is not allowed inside paragraphs.
diff --git a/commons-rng-client-api/src/site/xdoc/index.xml b/commons-rng-client-api/src/site/xdoc/index.xml
index 7a30c6d..d7bcc10 100644
--- a/commons-rng-client-api/src/site/xdoc/index.xml
+++ b/commons-rng-client-api/src/site/xdoc/index.xml
@@ -37,6 +37,7 @@
 
       <p>
         Example:
+      </p>
 
 <source>import org.apache.commons.rng.UniformRandomProvider;
 
@@ -46,7 +47,6 @@
     }
 }
 </source>
-      </p>
 
       <p>
         Browse the <a href="apidocs/index.html">Javadoc</a> to see the complete API.
diff --git a/commons-rng-simple/src/site/xdoc/index.xml b/commons-rng-simple/src/site/xdoc/index.xml
index 88f0128..c579f3d 100644
--- a/commons-rng-simple/src/site/xdoc/index.xml
+++ b/commons-rng-simple/src/site/xdoc/index.xml
@@ -38,6 +38,7 @@
 
       <p>
         Example:
+      </p>
 
 <source>import org.apache.commons.rng.UniformRandomProvider;
 import org.apache.commons.rng.simple.RandomSource;
@@ -50,7 +51,6 @@
     }
 }
 </source>
-      </p>
 
       <p>
         Browse the <a href="apidocs/index.html">Javadoc</a> for more information.
diff --git a/src/site/xdoc/index.xml b/src/site/xdoc/index.xml
index fb56555..c894fa1 100644
--- a/src/site/xdoc/index.xml
+++ b/src/site/xdoc/index.xml
@@ -33,6 +33,7 @@
 
       <p>
         Casual use is as simple as:
+      </p>
 
 <source>import org.apache.commons.rng.UniformRandomProvider;
 import org.apache.commons.rng.simple.RandomSource;
@@ -44,8 +45,6 @@
 double random = rng.nextDouble();
 </source>
 
-      </p>
-
       <p>
         For more examples and more advanced usage, see the <a href="userguide/rng.html">userguide</a>.
       </p>