diff --git a/README.md b/README.md
index fb49712..036e0ea 100644
--- a/README.md
+++ b/README.md
@@ -62,7 +62,7 @@ Calling ```public void fillInDefaults(Context ctx)``` will make a request ready
     * ```public static void showAd(AdRequest req, AdHolder<?>... holders)``` - execute the AdRequest and fill in the provided AdHolders.
     * ```public static void showAd(String appToken, AdHolder<?>... holders)``` - same as previous but automatically creates AdRequests.
     * ```public static void setListener(PubNativeListener listener)``` - sets a listener that will be notified on events.
-    * ```public static void showInPlayStore***(Activity act, Ad ad)``` - displays an an in the Play Store.
+    * ```public static void showInPlayStore***(Activity act, Ad ad)``` - displays an ad in the Play Store.
 
 Simple ImageAd Example
 ----------------------
@@ -106,4 +106,4 @@ Please check out pubnative-interstitials-tester for code examples.
 
 ProGuard
 ========
-If using ProGuard, please include pubnative-proguard.cfg.
\ No newline at end of file
+If using ProGuard, please include pubnative-proguard.cfg.