FLUT-969263-[others][flutter]: Addressed review suggestions

Author: AswiniDileep

Flutter/funnel-chart/chart-appearance.md

@@ -11,7 +11,7 @@ documentation: ug
 
 ## Chart sizing
 
-Chart renders based on the parent widget's size. If you need the chart to be rendered in specific size, then set the size(width/height) to the parent widget.
+Chart renders based on the parent widget size. If you need the chart to be rendered in specific size, then set the size(width/height) to the parent widget.
 
 {% tabs %}
 {% highlight dart hl_lines="7 8" %} 

Flutter/funnel-chart/export-funnel-chart.md

@@ -122,7 +122,7 @@ To export the funnel chart as a PNG image, we can get the image by calling [`toI
 
 ## Export PDF
 
-Similar to the above method, we can also export the rendered Funnel chart as a PDF document. We create the pdf document using PDF component. This can be done at the application level itself. Please find the code snippet below.
+Similar to the above way, we can also export the rendered Funnel chart as a PDF document. We create the PDF document using PDF component. This can be done in the application level itself. Please find the code snippet below.
 
 **Add dependency**
 

Flutter/pyramid-chart/selection.md

@@ -9,7 +9,7 @@ documentation: ug
 
 # Selection in Flutter Pyramid Chart (SfPyramidChart)
 
-The selection feature in chart lets you to select in a segment in a series or the series itself. This feature allows you select either individual or cluster of segments in the chart series.
+The selection feature in chart lets you to select in a segment in a series or the series itself. This feature allows you to select either individual or cluster of segments in the chart series.
 
 {% tabs %}
 {% highlight dart %} 
@@ -99,7 +99,7 @@ You can customize the segments using the below properties.
 
 ## Multi-selection
 
-Multiple segment selection can be enabled using the [`enableMultiSelection`](https://pub.dev/documentation/syncfusion_flutter_charts/latest/charts/SfPyramidChart/enableMultiSelection.html) property of chart.
+Multiple selection can be enabled using the [`enableMultiSelection`](https://pub.dev/documentation/syncfusion_flutter_charts/latest/charts/SfPyramidChart/enableMultiSelection.html) property of chart.
 
 {% tabs %}
 {% highlight dart %} 

Flutter/pyramid-chart/tooltip.md

@@ -167,7 +167,7 @@ By default, x and y value will be displayed in the tooltip, and it can be custom
 
 ## Tooltip positioning
 
-The tooltip can be configured to display in the fixed location or at the pointer location itself using the [`tooltipPosition`](https://pub.dev/documentation/syncfusion_flutter_charts/latest/charts/TooltipBehavior/tooltipPosition.html) property. This defaults to [`TooltipPosition.auto`](https://pub.dev/documentation/syncfusion_flutter_charts/latest/charts/TooltipPosition.html#auto).
+The tooltip can be made to display in the fixed location or at the pointer location itself using the [`tooltipPosition`](https://pub.dev/documentation/syncfusion_flutter_charts/latest/charts/TooltipBehavior/tooltipPosition.html) property. This defaults to [`TooltipPosition.auto`](https://pub.dev/documentation/syncfusion_flutter_charts/latest/charts/TooltipPosition.html#auto).
 
 {% tabs %}
 {% highlight dart %} 
@@ -259,8 +259,8 @@ The [`activationMode`](https://pub.dev/documentation/syncfusion_flutter_charts/l
 
 The ActivationMode enum includes the following values:
 
-* [`ActivationMode.longPress`](https://pub.dev/documentation/syncfusion_flutter_charts/latest/charts/ActivationMode.html) - activates tooltip only when performing the long press action.
-* [`ActivationMode.singleTap`](https://pub.dev/documentation/syncfusion_flutter_charts/latest/charts/ActivationMode.html#longPress) - activates tooltip only when performing single tap action.
+* [`ActivationMode.longPress`](https://pub.dev/documentation/syncfusion_flutter_charts/latest/charts/ActivationMode.html#longPress) - activates tooltip only when performing the long press action.
+* [`ActivationMode.singleTap`](https://pub.dev/documentation/syncfusion_flutter_charts/latest/charts/ActivationMode.html#singleTap) - activates tooltip only when performing single tap action.
 * [`ActivationMode.doubleTap`](https://pub.dev/documentation/syncfusion_flutter_charts/latest/charts/ActivationMode.html#doubleTap) - activates tooltip only when performing double tap action.
 * [`ActivationMode.none`](https://pub.dev/documentation/syncfusion_flutter_charts/latest/charts/ActivationMode.html#none) - hides the visibility of tooltip when setting activation mode to none.