Fix comments

diff --git a/scripts/travis/travis_install.sh b/scripts/travis/travis_install.sh
index 36c63b9..f1dc5a6 100755 (executable)
--- a/scripts/travis/travis_install.sh
+++ b/scripts/travis/travis_install.sh
@@ -5,8 +5,10 @@ set -e
 
 MAKE="make --jobs=$NUM_THREADS"
 
-# Install apt packages where the Ubuntu 12.04 default works for Caffe
-add-apt-repository -y ppa:tuleu/precise-backports
+# Install apt packages where the Ubuntu 12.04 default and ppa works for Caffe
+
+#This ppa is for gflags and glog
+add-aptrepository -y ppa:tuleu/precise-backports
 apt-get -y update
 apt-get install \
     wget git curl \