diff --git a/storage/emc/celerra/local/mode/filesystems.pm b/storage/emc/celerra/local/mode/filesystems.pm
index e4cdb5b5a..a45c1c4af 100644
--- a/storage/emc/celerra/local/mode/filesystems.pm
+++ b/storage/emc/celerra/local/mode/filesystems.pm
@@ -182,7 +182,7 @@ Filter filesystems by filesystem name (can be a regexp).
 =item B<--warning-*> B<--critical-*>
 
 Thresholds.
-Can be: 'usage' (B), 'usage-free' (B), 'usage-prct' (%).
+Can be: 'space-usage' (B), 'space-usage-free' (B), 'space-usage-prct' (%).
 
 =back
 
diff --git a/storage/emc/celerra/local/mode/pools.pm b/storage/emc/celerra/local/mode/pools.pm
index 338ac5a93..30052a1c0 100644
--- a/storage/emc/celerra/local/mode/pools.pm
+++ b/storage/emc/celerra/local/mode/pools.pm
@@ -154,7 +154,7 @@ Filter pools by pool name (can be a regexp).
 =item B<--warning-*> B<--critical-*>
 
 Thresholds.
-Can be: 'usage' (B), 'usage-free' (B), 'usage-prct' (%).
+Can be: 'space-usage' (B), 'space-usage-free' (B), 'space-usage-prct' (%).
 
 =back