diff --git a/scripts/iiab-diagnostics b/scripts/iiab-diagnostics
index 51a7d6797..193ba4fc7 100755
--- a/scripts/iiab-diagnostics
+++ b/scripts/iiab-diagnostics
@@ -173,12 +173,13 @@ echo -e "\n\n\n2. REGULAR FILES ETC\n" >> $outfile
 #cat_file /tmp/empty-file             # Empty file test
 #cat_file /usr/bin/iiab-support-on    # Symlink test
 cat_file /.iiab-image
-cat_file /etc/default/locale
+cat_file /etc/default/locale    # e.g. on Debian 12
+cat_file /etc/locale.conf       # e.g. on Debian 13+ and Ubuntu
 cat_cmd 'localectl' 'Locale settings'
 cat_cmd 'locale -a' 'Available locales'
 cat_file /etc/iiab/iiab.env
 cat_file /etc/iiab/iiab.ini
-cat_file /etc/iiab/local_vars.yml      # Redacts most passwords above
+cat_file /etc/iiab/local_vars.yml    # Redacts most passwords above
 cat_file /etc/iiab/iiab_state.yml
 cat_file /etc/resolv.conf
 cat_file /etc/network/interfaces
diff --git a/scripts/iiab-diagnostics.README.md b/scripts/iiab-diagnostics.README.md
index d11c13720..7c064b757 100644
--- a/scripts/iiab-diagnostics.README.md
+++ b/scripts/iiab-diagnostics.README.md
@@ -66,4 +66,4 @@ 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 135-272 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 135-273 especially) to learn more about which common IIAB files and commands make this rapid troubleshooting possible.