diff --git a/Chart/BarChart.js b/Chart/BarChart.js
index dbb5ba5..774f871 100644
--- a/Chart/BarChart.js
+++ b/Chart/BarChart.js
@@ -8,6 +8,7 @@
 
         // Setting default chart values
         this.chart.margin = {top: 5, right: 0, bottom: 0, left: 0};
+        /** global: d3 */
         this.chart.color  = d3.scale.category10();
         this.chart.axis   = {
             x: {
diff --git a/Chart/CalendarChart.js b/Chart/CalendarChart.js
index df0e8c8..df7a8ab 100644
--- a/Chart/CalendarChart.js
+++ b/Chart/CalendarChart.js
@@ -8,6 +8,7 @@
 
         // Setting default chart values
         this.chart.margin = {top: 5, right: 0, bottom: 0, left: 0};
+        /** global: d3 */
         this.chart.color  = d3.scale.quantize()
             .domain([-.05, .05])
             .range(d3.range(11).map(function(d) { return "q" + d + "-11"; }));
diff --git a/Chart/CandlestickChart.js b/Chart/CandlestickChart.js
index 661cbeb..3248e08 100644
--- a/Chart/CandlestickChart.js
+++ b/Chart/CandlestickChart.js
@@ -8,6 +8,7 @@
 
         // Setting default chart values
         this.chart.margin = {top: 5, right: 0, bottom: 0, left: 0};
+        /** global: d3 */
         this.chart.color  = d3.scale.category10();
         this.chart.axis   = {
             x: {
diff --git a/Chart/ColumnChart.js b/Chart/ColumnChart.js
index 3f4763e..216999b 100644
--- a/Chart/ColumnChart.js
+++ b/Chart/ColumnChart.js
@@ -8,6 +8,7 @@
 
         // Setting default chart values
         this.chart.margin = {top: 5, right: 0, bottom: 0, left: 0};
+        /** global: d3 */
         this.chart.color  = d3.scale.category10();
         this.chart.axis   = {
             x: {
diff --git a/Chart/LineChart.js b/Chart/LineChart.js
index b703e3c..e96fbd3 100644
--- a/Chart/LineChart.js
+++ b/Chart/LineChart.js
@@ -8,6 +8,7 @@
 
         // Setting default chart values
         this.chart.margin = {top: 5, right: 0, bottom: 0, left: 0};
+        /** global: d3 */
         this.chart.color  = d3.scale.category10();
         this.chart.axis   = {
             x: {
diff --git a/Chart/PieChart.js b/Chart/PieChart.js
index 8052936..a7437d2 100644
--- a/Chart/PieChart.js
+++ b/Chart/PieChart.js
@@ -8,6 +8,7 @@
 
         // Setting default chart values
         this.chart.margin = {top: 5, right: 0, bottom: 0, left: 0};
+        /** global: d3 */
         this.chart.color  = d3.scale.category10();
         this.chart.dataSettings.style.strokewidth = 1;
         this.chart.dataSettings.style.padding = 3;
diff --git a/Chart/PyramidChart.js b/Chart/PyramidChart.js
index f3e59c5..10ae00d 100644
--- a/Chart/PyramidChart.js
+++ b/Chart/PyramidChart.js
@@ -8,6 +8,7 @@
 
         // Setting default chart values
         this.chart.margin = {top: 5, right: 0, bottom: 0, left: 0};
+        /** global: d3 */
         this.chart.color  = d3.scale.category10();
         this.chart.axis   = {
             x: {
diff --git a/Chart/ScatterplotChart.js b/Chart/ScatterplotChart.js
index cccceeb..7c994da 100644
--- a/Chart/ScatterplotChart.js
+++ b/Chart/ScatterplotChart.js
@@ -8,6 +8,7 @@
 
         // Setting default chart values
         this.chart.margin = {top: 5, right: 0, bottom: 0, left: 0};
+        /** global: d3 */
         this.chart.color  = d3.scale.category10();
         this.chart.axis   = {
             x: {
diff --git a/Chart/VWaterfallChart.js b/Chart/VWaterfallChart.js
index 1cd3629..b0afe45 100644
--- a/Chart/VWaterfallChart.js
+++ b/Chart/VWaterfallChart.js
@@ -8,6 +8,7 @@
 
         // Setting default chart values
         this.chart.margin = {top: 5, right: 0, bottom: 0, left: 0};
+        /** global: d3 */
         this.chart.color  = d3.scale.category10();
         this.chart.axis   = {
             x: {
diff --git a/Chart/WaterfallChart.js b/Chart/WaterfallChart.js
index c5d7e65..a99dcad 100644
--- a/Chart/WaterfallChart.js
+++ b/Chart/WaterfallChart.js
@@ -8,6 +8,7 @@
 
         // Setting default chart values
         this.chart.margin = {top: 5, right: 0, bottom: 0, left: 0};
+        /** global: d3 */
         this.chart.color  = d3.scale.category10();
         this.chart.axis   = {
             x: {