diff --git a/compile.sh b/compile.sh
index 672fac9..e3d4475 100644
--- a/compile.sh
+++ b/compile.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# compile hadoop 2.8.2 by default
+# compile hadoop 2.7.2 by default
 version=${1:-2.8.2}
 
 cd /hadoop-$version-src