[DIRECTMEMORY-133] "DirectMemory Simple Usage" doc improvement
Submitted by Liang Xie

git-svn-id: https://svn.apache.org/repos/asf/directmemory/trunk@1513089 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/site/apt/simple-usage.apt.vm b/src/site/apt/simple-usage.apt.vm
index 61f8bae..c6e3921 100644
--- a/src/site/apt/simple-usage.apt.vm
+++ b/src/site/apt/simple-usage.apt.vm
@@ -33,7 +33,7 @@
 
 +------------------------
   <dependency>
-    <groupId>org.apache.directmemory.server</groupId>
+    <groupId>org.apache.directmemory</groupId>
     <artifactId>directmemory-cache</artifactId>
     <version>${currentRelease}</version>
   </dependency>
@@ -67,7 +67,7 @@
 
 +------------------------
   cacheService.clear();
-  cacheService.close();
+  cacheService.close(); // close() is available in 0.2-SNAPSHOT+ only
 +------------------------