diff --git a/kvmstats b/kvmstats
index 89cfc7a..5d0e9da 100755
--- a/kvmstats
+++ b/kvmstats
@@ -8,7 +8,7 @@ error () {
 }
 
 usage () {
-    echo 'usage: kvmstats [-a] [-u k|m|g] [-o h|human|html|csv]' >&2
+    echo 'usage: kvmstats [-a] [-u k|m|g] [-o human|html|csv]' >&2
     exit 1
 }
 
@@ -27,7 +27,7 @@ do
         ;;
     '-o')
         case $2 in
-        'h' | 'human')
+        'human')
             FMT=human
             ;;
         'html')