diff --git a/.travis.yml b/.travis.yml
index 9fbea0a..937d0ee 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,13 +1,13 @@
 language: java
 jdk:
-- oraclejdk8
+    - oraclejdk8
 before_cache:
-- rm -f $HOME/.gradle/caches/modules-2/modules-2.lock
-- rm -fr $HOME/.gradle/caches/*/plugin-resolution/
+    - rm -f $HOME/.gradle/caches/modules-2/modules-2.lock
+    - rm -fr $HOME/.gradle/caches/*/plugin-resolution/
 cache:
   directories:
-  - "$HOME/.gradle/caches/"
-  - "$HOME/.gradle/wrapper/"
+      - "$HOME/.gradle/caches/"
+      - "$HOME/.gradle/wrapper/"
 before_deploy:
     - export GRADLE_BUILD_DIR="build/libs"
     - export TAG=$(git describe --abbrev=0 --tags)
diff --git a/build.gradle b/build.gradle
index af22f21..79d9241 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,12 +1,19 @@
 apply plugin: 'java'
 apply plugin: 'eclipse'
 
+[compileJava, compileTestJava]*.options*.encoding = 'UTF-8'
 sourceCompatibility = '1.8'
+
+// to get project version from command line, just type
+// $ gradle -PprojVersion=<version_number> build
+// default is na
 if (project.hasProperty('projVersion')) {
       project.version = project.projVersion
 } else {
       project.version = 'na'
 }
+
+// name with versioning of the jar file
 jar {
     manifest {
         attributes 'Implementation-Title' : 'Gradle Quickstart',
@@ -14,8 +21,6 @@ jar {
     }
 }
 
-[compileJava, compileTestJava]*.options*.encoding = 'UTF-8'
-
 repositories {
 
     maven {