diff --git a/var/www/static/js/indexjavascript.js b/var/www/static/js/indexjavascript.js
index d1850d67..1bdb29eb 100644
--- a/var/www/static/js/indexjavascript.js
+++ b/var/www/static/js/indexjavascript.js
@@ -227,6 +227,12 @@ function create_queue_table() {
             td.appendChild(document.createTextNode(glob_tabvar.row1[i][j] + moduleNum));
             tr.appendChild(td)
         }
+        // Used to decide the color of the row
+        // We have glob_tabvar.row1[][j] with:
+        // - j=0: ModuleName
+        // - j=1: queueLength
+        // - j=2: LastProcessedPasteTime
+        // - j=3: Number of the module belonging in the same category
         if (parseInt(glob_tabvar.row1[i][2]) > 60*2 && parseInt(glob_tabvar.row1[i][1]) > 2)
             tr.className += " danger";
         else if (parseInt(glob_tabvar.row1[i][2]) > 60*1)
diff --git a/var/www/static/js/sentiment_trending.js b/var/www/static/js/sentiment_trending.js
index 66fcac9e..d96c6fbb 100644
--- a/var/www/static/js/sentiment_trending.js
+++ b/var/www/static/js/sentiment_trending.js
@@ -96,6 +96,9 @@ var all_data = [];
 var provider_already_loaded = [];
 var totNumGraph = 0;
 
+// Query all providers name then launch the query and plot process for each of them.
+// When everything is terminated, plot the widgets (Gauge, canvasJS, table)
+// input: all - set to 'True' if you take all providers
 function draw_page(all) {
     $.getJSON("/sentiment_analysis_getplotdata/?getProviders=True&all="+all,
         function(data) {
@@ -130,7 +133,9 @@ function draw_page(all) {
 }
 
 
-
+// Query data and plot it for a given provider
+// input - provider: The povider name to be plotted
+// input - graphNum: The number of the graph (Use to plot on correct div)
 function query_and_plot(provider, graphNum) {
     var query_plot = $.getJSON("/sentiment_analysis_getplotdata/?provider="+provider,
         function(data) {
@@ -186,8 +191,7 @@ function query_and_plot(provider, graphNum) {
                     max_value = Math.abs(pos-neg) > max_value ? Math.abs(pos-neg) : max_value;
 
                     if(curr_date >= dateStart+oneWeek-23*oneHour){
-                        max_value_day = Math.abs(pos-neg) > max_value_day ? Math.abs(pos-neg) : max_value_day;
-                        day_sum += (pos-neg);
+                        max_value_day = Math.abs(pos-neg) > max_value_day ? Math.abs(pos-neg) : max_value_day; day_sum += (pos-neg);
                         day_sum_elem++;
                     }
                     if(curr_date > dateStart+oneWeek-2*oneHour && curr_date <=dateStart+oneWeek-oneHour){