minor fixes

Author: JV0812

docs/dashboards/filter-template-variables.md

@@ -91,11 +91,11 @@ To add a Scope-based variable to a dashboard, do the following:
 
 1. In the Dashboard top menu bar, click the filter icon to show the variables option. The filter icon allows you to toggle if the variables option is displayed or hidden.<br/><img src={useBaseUrl('img/dashboards/filter-template-variables/Show-and-Hide-filters.png')} style={{border:'1px solid gray'}} alt="Show-and-Hide-filters" width="250"/>
 1. In the Dashboard top menu bar, click the **plus (+) icon**. The **Create Template Variable** panel appears.<br/><img src={useBaseUrl('img/dashboards/filter-template-variables/create-dashboard-filter.png')} style={{border:'1px solid gray'}} alt="create-dashboard-filter" width="800"/>
-1. In the **Create Template Variable** panel, enter a unique **Variable Name**. Spaces and special characters, with the exception of an underscore (_), are not allowed in value names.<br/><img src={useBaseUrl('img/dashboards/filter-template-variables/scope-based-varibale.png')} style={{border:'1px solid gray'}} alt="scope-based-varibale" width="800"/>
+1. In the **Create Template Variable** panel, enter a unique **Variable Name**. Spaces and special characters, with the exception of an underscore (_), are not allowed in value names.<br/><img src={useBaseUrl('img/dashboards/filter-template-variables/scope-based-variable.png')} style={{border:'1px solid gray'}} alt="scope-based-variable" width="800"/>
 1. Select **Scope-based Variable** as the **Variable Type**.
 1. The **Filds (key)** is the metadata field you want to use as the filter. Once a Key is selected the Preview table will show example values based on the query running for the last 15 minutes.
 1. (Optional) **Display all values available** will be selected by default. If you want to specify any values, deselect this option and enter the required value(s) in section below.
-1. (Optional) **Apply filter to all panels in dashboard** will be selected by default. If you want to apply this variable to secleted panel, deselect this option and select the panels from the dropdown. You can also click on <img src={useBaseUrl('img/dashboards/filter-template-variables/preview-the-panels.png')} style={{border:'1px solid gray'}} alt="preview-the-panels" width="30"/> to preview and select the dashboard panel to which you want to apply this varibale.
+1. (Optional) **Apply filter to all panels in dashboard** will be selected by default. If you want to apply this variable to secleted panel, deselect this option and select the panels from the dropdown. You can also click on <img src={useBaseUrl('img/dashboards/filter-template-variables/preview-the-panels.png')} style={{border:'1px solid gray'}} alt="preview-the-panels" width="30"/> to preview and select the dashboard panel to which you want to apply this variable.
 1. (Optional) **Include the option to select all values (\*)** will be selected by default. This includes a wildcard asterisk (\*) in the available options.
 1. (Optional) Enter a **Default Value** for the variable.
 1. Click **Create Template Variable** to apply the variable to the dashboard.