Fix "quide" typo

git-svn-id: https://svn.apache.org/repos/asf/allura/site/trunk@1689931 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/index.html b/index.html
index cced56d..acc46d3 100644
--- a/index.html
+++ b/index.html
@@ -113,7 +113,7 @@
                     <div class="col-8 pad-vert-sm">
                         <img class="icon" src="img/ic-resources-installation.png" alt="allura installation" height="187">
                         <a href="https://forge-allura.apache.org/p/allura/git/ci/master/tree/INSTALL.markdown"><button class="auto-margin">Installation</button></a>
-                        <p class="pad-top-sm text-center">Step-by-step installation quide</p>
+                        <p class="pad-top-sm text-center">Step-by-step installation guide</p>
                     </div>
 
                     <div class="col-8 pad-vert-sm">