Fix typo

Change-Id: I21ff7773056975b6941a5f1126d43b2e04aa5cd5
diff --git a/docs/html/preview/api-overview.jd b/docs/html/preview/api-overview.jd
index b8a6033..f9e63e3 100644
--- a/docs/html/preview/api-overview.jd
+++ b/docs/html/preview/api-overview.jd
@@ -61,7 +61,7 @@
 <a href="{@docRoot}preview/setup-sdk.html">give the M Developer Preview a
 try</a> and send us your feedback!</p>
 
-<p class="caution"><strong>Caution:</strong> Do not not publish apps
+<p class="caution"><strong>Caution:</strong> Do not publish apps
 that use the M Developer Preview to the Google Play store.</p>
 
 <p class="note"><strong>Note:</strong> This document often refers to classes and
@@ -530,4 +530,4 @@
 <p class="note">
   For a detailed view of all API changes in the M Developer Preview, see the <a href=
   "{@docRoot}preview/download.html">API Differences Report</a>.
-</p>
\ No newline at end of file
+</p>