chore(grid):small typo fixes (#697)

Author: xristianstefanov

components/grid/editing/validation.md

@@ -178,7 +178,7 @@ To disable the built-in validation, add a `<GridValidationSettings>` tag to the
 
 ## Use a Custom Validator
 
-You can validate the Grid with any validator that uses the `EditContext`. To change the default validator, add a `<ValidatorTemplate>` tag in `<GridSettings>`. Define the custom validator in the `ValidatorTemplate`. 
+You can validate the Grid with any validator that uses the `EditContext`. To change the default validator, add a `<ValidatorTemplate>` tag in `<GridValidationSettings>`. Define the custom validator in the `ValidatorTemplate`. 
 
 ## See Also
 

components/grid/templates/filter.md

@@ -166,7 +166,7 @@ The custom filter textboxes invoke filtering on Enter or blur through the OnChan
 
 ## Filter Menu Template
 
-By default, the filter menu contains two filter values that are tied with a logical operator - OR or AND, with filgering being triggered through a dedicated Filter button and a Clear button removes the filter.
+By default, the filter menu contains two filter values that are tied with a logical operator - OR or AND, with filtering being triggered through a dedicated Filter button and a Clear button removes the filter.
 
 To customize the filter menu, use the `<FilterMenuTemplate>` tag of the `<GridColumn>`. The `Filter` and `Clear` buttons are still available below the template.