diff --git a/scripts/iiab-diagnostics b/scripts/iiab-diagnostics
index 1f51df8b1..b6c834b42 100755
--- a/scripts/iiab-diagnostics
+++ b/scripts/iiab-diagnostics
@@ -198,6 +198,7 @@ cat_cmd 'uname -a' 'Linux kernel'
 cat_cmd 'free' 'RAM memory'
 cat_cmd 'lscpu' 'CPU details'
 cat_cmd 'df -h' 'Disk usage'
+cat_cmd 'df -ah' 'Disk usage detail'
 cat_cmd 'lsblk' 'Partition mount points'
 cat_cmd 'blkid' 'Mount point details'
 cat_cmd 'ip addr' 'Network interfaces'
diff --git a/scripts/iiab-diagnostics.README.md b/scripts/iiab-diagnostics.README.md
index f4aef576c..6ba4c8ca2 100644
--- a/scripts/iiab-diagnostics.README.md
+++ b/scripts/iiab-diagnostics.README.md
@@ -62,4 +62,4 @@ But first off, the file is compiled by harvesting 1 + 6 kinds of things:
 
 ## Source Code
 
-Please look over the bottom of [iiab-diagnostics](iiab-diagnostics) (lines 119-243 especially) to learn more about which common IIAB files and commands make this rapid troubleshooting possible.
+Please look over the bottom of [iiab-diagnostics](iiab-diagnostics) (lines 119-244 especially) to learn more about which common IIAB files and commands make this rapid troubleshooting possible.