Merge pull request alteryx#171 from RIA-pierre-borckmans/master

Fixed typos in the CDH4 distributions version codes.

Nothing important, but annoying when doing a copy/paste...

(cherry picked from commit d76f520)
Signed-off-by: Reynold Xin <rxin@apache.org>

Author: rxin

docs/hadoop-third-party-distributions.md

@@ -25,8 +25,8 @@ the _exact_ Hadoop version you are running to avoid any compatibility errors.
       <h3>CDH Releases</h3>
       <table class="table" style="width:350px; margin-right: 20px;">
         <tr><th>Release</th><th>Version code</th></tr>
-        <tr><td>CDH 4.X.X (YARN mode)</td><td>2.0.0-chd4.X.X</td></tr>
-        <tr><td>CDH 4.X.X</td><td>2.0.0-mr1-chd4.X.X</td></tr>
+        <tr><td>CDH 4.X.X (YARN mode)</td><td>2.0.0-cdh4.X.X</td></tr>
+        <tr><td>CDH 4.X.X</td><td>2.0.0-mr1-cdh4.X.X</td></tr>
         <tr><td>CDH 3u6</td><td>0.20.2-cdh3u6</td></tr>
         <tr><td>CDH 3u5</td><td>0.20.2-cdh3u5</td></tr>
         <tr><td>CDH 3u4</td><td>0.20.2-cdh3u4</td></tr>