diff --git a/.gitignore b/.gitignore
index b89d2b8d..996415b9 100755
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@ node_modules
 .DS_Store
 VCAP_SERVICES.json
 run.sh
+env*.sh
diff --git a/app.js b/app.js
index 5ad94a97..61ee0f62 100755
--- a/app.js
+++ b/app.js
@@ -27,8 +27,8 @@ require('./config/express')(app);
 
 var credentials = extend({
   version: 'v2',
-  username: '<username>',
-  password: '<password>'
+  username: '<username>',//
+  password: '<password>'//
 }, bluemix.getServiceCreds('tone_analyzer'));
 
 
diff --git a/public/js/visualization.js b/public/js/visualization.js
index 430f3a6e..f0b60e9f 100644
--- a/public/js/visualization.js
+++ b/public/js/visualization.js
@@ -115,7 +115,7 @@ umviz.models.toneGenome = function() {
 
       function toPercentage(val) {
         var tmp = val * 100;
-        return Math.floor(tmp) + '%';
+        return Math.round(tmp) + '%';
       }
 
       function render(selector, d) {
@@ -517,8 +517,10 @@ umviz.models.toneGenome = function() {
         $('#output_div').css('color', '#ddd');
         $('.matched-word').css('opacity', 0.2);
 
-        if (corr === null)
+        if (corr === null){
           $('.' + cate + '_' + corrType.positive).css('opacity', 1);
+          $('.' + cate + '_' + corrType.negative).css('opacity', 1);
+        }
         else
           $('.' + cate + '_' + corr).css('opacity', 1);
       }
diff --git a/views/index.jade b/views/index.jade
index bde254e0..d817e304 100755
--- a/views/index.jade
+++ b/views/index.jade
@@ -74,9 +74,9 @@ block row-content
                         | and the total number of words for each individual
                         | tone trait.    
                     div.tab-pane(id="json", role="tabpanel")
-                      pre.json-div
+                      pre.json-div  
                     div#visualization
-                    p.text-output-label Click on any highlighted word to see suggested synonyms.
+                    p.text-output-label Social tones include both positively and negatively correlated words, and click to see details. Click on any highlighted word to see suggested synonyms. 
                     div.text-output-div
 
     //this is synonym pop-up panel