diff --git a/tests/travis/error_detector.sh b/tests/travis/error_detector.sh
index 9236a3afd208..73cfec6a53c8 100755
--- a/tests/travis/error_detector.sh
+++ b/tests/travis/error_detector.sh
@@ -1,8 +1,14 @@
 #!/bin/bash
+
+# This script is mainly used to catch errors from maven results for Scala
+# to avoid false positives/negatives from Travis's interpretation. 
+
 file=scala_test_results.txt
 
 testFail=$(grep -ci "All tests passed" $file)
+
 if [ "$testFail" == "0" ]; then
+  # print results if anything fails
   cat $file
   echo "Some unit tests failed. "
   exit 1