update defaultSymbol info (#325)

Author: rejas

modules/calendar.md

@@ -30,7 +30,7 @@ The following properties can be configured:
 | `maximumNumberOfDays`                 | The maximum number of days in the future. <br><br> **Default value:** `365`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
 | `pastDaysCount`                       | The number of days of which events in the past should be displayed. <br><br> **Default value:** `0`<br> `NOTE: this value is advisory to any module processing the events broadcast.`<br>`the default calendar module never displays events from the past`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
 | `displaySymbol`                       | Display a symbol in front of an entry. <br><br> **Possible values:** `true` or `false` <br> **Default value:** `true`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
-| `defaultSymbol`                       | The default symbol. <br><br> **Possible values:** See [Font Awesome](https://fontawesome.com/v6/search?o=r&m=free) website. <br> **Default value:** `calendar`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
+| `defaultSymbol`                       | The default symbol. <br><br> **Possible values:** See [Font Awesome](https://fontawesome.com/search?ic=free&o=r) website. <br> **Default value:** `calendar-days`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
 | `showLocation`                        | Whether to show event locations. <br><br> **Possible values:** `true` or `false` <br> **Default value:** `false`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
 | `maxTitleLength`                      | The maximum title length. <br><br> **Possible values:** `10` - `50` <br> **Default value:** `25`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
 | `maxLocationTitleLength`              | The maximum location title length. <br><br> **Possible values:** `10` - `50` <br> **Default value:** `25`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |