[update] minor corrections and improvements in docs for v5.2

Author: mafanya23

docs/api/overview/actions_overview.md

@@ -74,7 +74,7 @@ spreadsheet.events.on("beforeColumnAdd", function(cell){
 | **setValidation**    | The action is executed when setting data validation for a cell                                                                                                                                          |
 | **sortCells**        | The action is executed when sorting data in spreadsheet                                                                                                                                                 |
 | **setCellStyle**     | The action is executed when changing the style of a cell                                                                                                                                                |
-| **toggleVisibility** | The action is executed when hiding/showing a column or a row                                                                                                                                            |
+| **toggleVisibility** | The action is executed when hiding/showing columns/rows                                                                                                                                                 |
 | **toggleFreeze**     | The action is executed when freezing/unfreezing columns/rows                                                                                                                                            |
 | **unmerge**          | The action is executed when splitting cells                                                                                                                                                             |
 

docs/api/spreadsheet_afterdataloaded_event.md

@@ -34,7 +34,7 @@ spreadsheet.events.on("afterDataLoaded", () => {
 
 **Change log:** Added in v5.2
 
-**Related article:** [Event handling](handling_events.md)
+**Related articles:** [Event handling](handling_events.md)
 
 **Related sample:** [Spreadsheet. Data loaded event](https://snippet.dhtmlx.com/vxr7amz6)
 

docs/api/spreadsheet_freezerows_method.md

@@ -23,8 +23,8 @@ freezeRows(cell?: string): void;
 ### Example
 
 ~~~jsx 
-spreadsheet.freezeRows("B2"); // the rows up to the second row will be fixed
-spreadsheet.freezeRows("sheet2!B2"); // the rows up to the second row in "sheet2" will be fixed
+spreadsheet.freezeRows("B2"); // the rows up to the "2" row will be fixed
+spreadsheet.freezeRows("sheet2!B2"); // the rows up to the "2" row in "sheet2" will be fixed
 ~~~
 
 **Related articles:** [Work with Spreadsheet](working_with_ssheet.md/#freezingunfreezing-rows-and-columns)

docs/api/spreadsheet_hidecols_method.md

@@ -24,12 +24,12 @@ hideCols(cell?: string): void;
 
 ~~~jsx 
 spreadsheet.hideCols("B2"); // the "B" column will be hidden
-spreadsheet.hideCols("sheet2!B2"); // the column "B" in "sheet2" will be hidden
+spreadsheet.hideCols("sheet2!B2"); // the "B" column in "sheet2" will be hidden
 spreadsheet.hideCols("B2:C2"); // the "B" and "C" columns will be hidden
 ~~~
 
 
-**Related article:** [Work with Spreadsheet](working_with_ssheet.md/#hidingshowing-rows-and-columns)
+**Related articles:** [Work with Spreadsheet](working_with_ssheet.md/#hidingshowing-rows-and-columns)
 
 **Related API:** [`showCols()`](api/spreadsheet_showcols_method.md)
 

docs/api/spreadsheet_hiderows_method.md

@@ -28,7 +28,7 @@ spreadsheet.hideRows("sheet2!B2"); // the "2" row in "sheet2" will be hidden
 spreadsheet.hideRows("B2:C4"); // the rows from "2" to "4" will be hidden 
 ~~~
 
-**Related article:** [Work with Spreadsheet](working_with_ssheet.md/#hidingshowing-rows-and-columns)
+**Related articles:** [Work with Spreadsheet](working_with_ssheet.md/#hidingshowing-rows-and-columns)
 
 **Related API:** [`showRows()`](api/spreadsheet_showrows_method.md)
 

docs/api/spreadsheet_parse_method.md

@@ -173,7 +173,7 @@ spreadsheet.parse(data);
 
 ~~~jsx title="Example 2. Load data into several sheets"
 const data = {
-    sheets : [
+    sheets: [
         { 
             name: "sheet 1", 
             id: "sheet_1",

docs/api/spreadsheet_showcols_method.md

@@ -13,7 +13,7 @@ description: You can learn about the showCols method in the documentation of the
 ### Usage
 
 ~~~jsx
-showCols( cell?: string): void;
+showCols(cell?: string): void;
 ~~~
 
 ### Parameters
@@ -24,11 +24,11 @@ showCols( cell?: string): void;
 
 ~~~jsx
 spreadsheet.showCols("B2"); // the "B" column will become visible again
-spreadsheet.showCols("sheet2!B2"); // the column "B" in "sheet2" will become visible again
+spreadsheet.showCols("sheet2!B2"); // the "B" column in "sheet2" will become visible again
 spreadsheet.showCols("B2:C2"); // the "B" and "C" columns will become visible again
 ~~~
 
-**Related article:** [Work with Spreadsheet](working_with_ssheet.md/#hidingshowing-rows-and-columns)
+**Related articles:** [Work with Spreadsheet](working_with_ssheet.md/#hidingshowing-rows-and-columns)
 
 **Related API:** [`hideCols()`](api/spreadsheet_hidecols_method.md)
 

docs/api/spreadsheet_showrows_method.md

@@ -28,7 +28,7 @@ spreadsheet.showRows("sheet2!B2"); // the "2" row in "sheet2" will become visibl
 spreadsheet.showRows("B2:C2"); // the rows from "2" to "4" will become visible again
 ~~~
 
-**Related article:** [Work with Spreadsheet](working_with_ssheet.md/#hidingshowing-rows-and-columns)
+**Related articles:** [Work with Spreadsheet](working_with_ssheet.md/#hidingshowing-rows-and-columns)
 
 **Related API:** [`hideRows()`](api/spreadsheet_hiderows_method.md)
 

docs/data_formatting.md

@@ -100,7 +100,7 @@ You can add a styled border(s) for a cell or a group of cells.
 ### Setting styled borders
 
 - Select the necessary cell or a group of cells to set a styled border(s) for
-- Click the **Border** button in the toolbar and choose the desired type of border, its color and style
+- Click the **Border** button in the toolbar and choose the desired type of the border, its color and style
 
 ![Styled border](assets/styled_cell_border.png)
 

docs/functions.md

@@ -1324,4 +1324,6 @@ When you enter a formula, a popup with description of the function and its param
 
 ![Popup with formula description](assets/formula_popup.png)
 
+Check the example in our [snippet tool](https://snippet.dhtmlx.com/wux2b35b).
+
 You can modify the default locale for the popup with formula parameters and add a custom locale. Check the details in the [Localization](localization.md/#default-locale-for-formulas) guide.