diff --git a/plugins/dynamix/DeviceInfo.page b/plugins/dynamix/DeviceInfo.page
index 7d7edfd20..e7036dcee 100644
--- a/plugins/dynamix/DeviceInfo.page
+++ b/plugins/dynamix/DeviceInfo.page
@@ -435,9 +435,8 @@ _(Minimum free space)_:
 : <input type="text" name="diskFloor.<?=$disk['idx']?>" maxlength="16" value="<?=$disk['diskFloor']?>" class="narrow" <?=$disabled?> placeholder="0">
 
 :help41
-> This represents a "floor" of the amount of free space remaining on the cache disk.  If the free
-> space becomes less than this value, then new files written to user shares with cache enabled will go to
-> the array and not the cache disk.
+> This defines a "floor" for the amount of free space remaining in the volume.
+> If the free space becomes less than this value, then new files written via user shares will fail with "not enough space" error.
 >
 > Enter a numeric value with one of these suffixes:
 >
@@ -445,13 +444,12 @@ _(Minimum free space)_:
 > **MB** = 1,000,000<br>
 > **GB** = 1,000,000,000<br>
 > **TB** = 1,000,000,000,000
+> **K** = 1,024 (ie, 2**10)<br>
+> **M** = 1,048,576 (ie, 2**20)<br>
+> **G** = 1,073,741,824 (ie, 2**30)<br>
+> **T** = 1,099,511,627,776  (ie, 2**40)><br>
 >
-> If no suffix, a count of 1024-byte blocks is assumed.<br>
->
-> Examples:
->
-> **2GB** => 2,000,000,000 bytes<br>
-> **2000000** => 2,048,000,000 bytes
+> If no suffix, a count of 1024-byte blocks is assumed.
 :end
 
 <?endif;?>