diff --git a/man/waybar-disk.5.scd b/man/waybar-disk.5.scd
index 8d9b8191..732ee0f9 100644
--- a/man/waybar-disk.5.scd
+++ b/man/waybar-disk.5.scd
@@ -85,20 +85,30 @@ Addressed by *disk*
 	default: "{used} out of {total} used ({percentage_used}%)" ++
 	The format of the information displayed in the tooltip.
 
+*unit*: ++
+	typeof: string ++
+	Use with specific_free, specific_used, and speciifc_total to force calculation to always be in a certain unit. Accepts kB, kiB, MB, Mib, GB, GiB, TB, TiB.
+
 # FORMAT REPLACEMENTS
 
 *{percentage_used}*: Percentage of disk in use.
 
 *{percentage_free}*: Percentage of free disk space
 
-*{total}*: Total amount of space on the disk, partition or mountpoint.
+*{total}*: Total amount of space on the disk, partition or mountpoint. Automatically selects unit based on size remaining.
 
-*{used}*: Amount of used disk space.
+*{used}*: Amount of used disk space. Automatically selects unit based on size remaining.
 
-*{free}*: Amount of available disk space for normal users.
+*{free}*: Amount of available disk space for normal users. Automatically selects unit based on size remaining.
 
 *{path}*: The path specified in the configuration.
 
+*{specific_total}*: Total amount of space on the disk, partition or mountpoint in a specific unit. Deaults to bytes.
+
+*{specific_used}*: Amount of used disk space in a specific unit. Deaults to bytes.
+
+*{specific_free}*: Amount of available disk space for normal users in a specific unit. Deaults to bytes.
+
 # EXAMPLES
 
 ```
@@ -108,6 +118,14 @@ Addressed by *disk*
 }
 ```
 
+```
+"disk": {
+	"interval": 30,
+	"format": "{specific_free:0.2f} GB out of {specific_total:0.2f} GB available. Alternatively {free} out of {total} available",
+	"unit": "GB"
+	// 1434.25 GB out of 2000.00 GB available. Alternatively 1.4TiB out of 1.9TiB available.
+}
+
 # STYLE
 
 - *#disk*