Merge pull request #3070 from sibennayak/fix/3046

Docs: Apply a recommendation (fixes #3046)

docs/03-Line-Chart.md

@@ -26,7 +26,7 @@ var myLineChart = Chart.Line(ctx, {
 });
 ```
 
-### Data Structure
+### Dataset Structure
 
 The following options can be included in a line chart dataset to configure options for that specific dataset.
 

docs/04-Bar-Chart.md

@@ -31,7 +31,7 @@ var myBarChart = new Chart(ctx, {
 });
 ```
 
-### Data Structure
+### Dataset Structure
 The following options can be included in a bar chart dataset to configure options for that specific dataset.
 
 Some properties can be specified as an array. If these are set to an array value, the first value applies to the first bar, the second value to the second bar, and so on.

docs/05-Radar-Chart.md

@@ -22,7 +22,7 @@ var myRadarChart = new Chart(ctx, {
 });
 ```
 
-### Data Structure
+### Dataset Structure
 
 The following options can be included in a radar chart dataset to configure options for that specific dataset.
 

docs/06-Polar-Area-Chart.md

@@ -21,7 +21,7 @@ new Chart(ctx, {
 });
 ```
 
-### Data Structure
+### Dataset Structure
 
 The following options can be included in a polar area chart dataset to configure options for that specific dataset.
 

docs/07-Pie-Doughnut-Chart.md

@@ -40,7 +40,7 @@ var myDoughnutChart = new Chart(ctx, {
 });
 ```
 
-### Data Structure
+### Dataset Structure
 
 Property | Type | Usage
 --- | --- | ---

docs/08-Bubble-Chart.md

@@ -21,7 +21,7 @@ var myBubbleChart = new Chart(ctx,{
 });
 ```
 
-### Data Structure
+### Dataset Structure
 
 Property | Type | Usage
 --- | --- | ---