Update explore-analyze/_snippets/variable-control-form.md

Co-authored-by: Benjamin Ironside Goldstein <[email protected]>

Author: florent-leborgne

explore-analyze/_snippets/variable-control-form.md

@@ -3,7 +3,7 @@
   * For controls with **Values from a query**, write an {{esql}} query to populate the list of options.
 * The name of the control. This name is used to reference the control in {{esql}} queries. 
   * Start the name with `?` if you want the options to be simple static values.
-  * {applies_to}`stack: ga 9.1` Start the name with `??` if you want the options of the control to be fields or functions.
+  * {applies_to}`stack: ga 9.1` Start the name with `??` if you want the options to be fields or functions.
 * The values users can select for this control. You can add multiple values from suggested fields, or type in custom values. If you selected **Values from a query**, you must instead write an {{esql}} query at this step.
 * The label of the control. This is the label displayed in **Discover** or in the dashboard.
 * The width of the control.