Total runtime fix (#2221)

docs/files/overlays.md

@@ -475,7 +475,7 @@ Each Special Text Variables has multiple modifiers that can be used to format th
 | Special Text Variables & Mods                                                                                                                                                                                                                               | Item Types                                  |
 |:------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|:--------------------------------------------|
 | `<<runtime>>`: Complete Runtime of the Item in minutes (`150`)<br>`<<runtimeH>>`: Hours in runtime of the Item (`2`)<br>`<<runtimeM>>`: Minutes remaining in the hour in the runtime of the Item (`30`)<br>**Show and Season use average Episode Runtime.** | `Movies`, `Shows`, `Seasons`, or `Episodes` |
-| `<<total_runtime>>`: Complete combined Runtime of all Episodes/Tracks of the Item in minutes (`150`)<br>`<<runtimeH>>`: Hours in total runtime of the Item (`2`)<br>`<<runtimeM>>`: Minutes remaining in the hour in the runtime of the Item (`30`)         | `Shows`, `Seasons`, `Artists`, or `Albums`  |
+| `<<total_runtime>>`: Complete combined Runtime of all Episodes/Tracks of the Item in minutes (`150`)<br>`<<total_runtimeH>>`: Hours in total runtime of the Item (`2`)<br>`<<total_runtimeM>>`: Minutes remaining in the hour in the runtime of the Item (`30`)         | `Shows`, `Seasons`, `Artists`, or `Albums`  |
 | `<<bitrate>>`: Bitrate of the first media file for an item.<br>`<<bitrateH>>`: Bitrate of the media file with the highest bitrate<br>`<<bitrateL>>`: Bitrate of the media file with the lowest bitrate                                                      | `Movies` or `Episodes`                      |
 | `<<originally_available>>`: Original Available Date of the Item<br>`<<originally_available[FORMAT]>>`: Original Available Date of the Item in the given format. [Format Options](https://strftime.org/)                                                     | `Movies`, `Shows`, or `Episodes`            |