diff --git a/README.md b/README.md
index 9598017..24137eb 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ Android About Box is configured with a set of (mostly) strings for the company n
 
 When triggered from a menu item, it will display the app name, icon and version, provide links to contact support, leave a review, share the app, go to other apps by the same company in the app store -- as well as links to Facebook etc.
 
-You can omit most features if they don't apply (e.g. like website), by not setting the values. 
+You can omit most features if they don't apply (e.g. like website), by not setting the values.
 
 ## Installation Instructions
 
@@ -88,7 +88,7 @@ Add AboutBox configuration to your Application class
         aboutConfig.emailSubject = EMAIL_SUBJECT;
         aboutConfig.emailBody = EMAIL_BODY;
 
-      
+
 ```
 
 ## Open the About Box from your app
@@ -106,6 +106,7 @@ By default, the default Android share intent will be called with the values spec
         aboutConfig.shareMessage = getString(R.string.share_message);
         aboutConfig.sharingTitle = getString(R.string.sharing_title);
 ```
+The `share_message` string will have an app store URL appended to it (appropriately constructed for Google Play or Amazon).
 
 Alternatively, you can provide a custom sharing function (and omit `shareMessage` and `sharingTitle`):
  ```java
diff --git a/library/src/main/java/com/eggheadgames/aboutbox/share/ShareUtil.java b/library/src/main/java/com/eggheadgames/aboutbox/share/ShareUtil.java
index 851ec00..95c59a9 100644
--- a/library/src/main/java/com/eggheadgames/aboutbox/share/ShareUtil.java
+++ b/library/src/main/java/com/eggheadgames/aboutbox/share/ShareUtil.java
@@ -25,10 +25,10 @@ public final class ShareUtil {
         if (!TextUtils.isEmpty(config.packageName) && !TextUtils.isEmpty(shareMessage) && config.buildType != null) {
             switch (config.buildType) {
                 case GOOGLE:
-                    shareMessage = AboutBoxUtils.playStoreAppURI + config.packageName;
+                    shareMessage = shareMessage + AboutBoxUtils.playStoreAppURI + config.packageName;
                     break;
                 case AMAZON:
-                    shareMessage = AboutBoxUtils.amznStoreAppURI + config.packageName;
+                    shareMessage = shareMessage + AboutBoxUtils.amznStoreAppURI + config.packageName;
                     break;
                 default:
                     break;