Consistent usage text style

diff --git a/shbackup b/shbackup
index a13b96559f636573489ee479fc297a24f2f25481..7822734f8a71036d823b6534eb8b2764ceb01a9d 100755 (executable)
--- a/shbackup
+++ b/shbackup
@@ -596,11 +596,11 @@ def printUsage():
     print("")
     print("Options:")
     print("  -h, --help                 print this usage text")
-    print("  -c, --conf <configfile>    use given configuration file")
+    print("  -c, --conf FILE            use given configuration file")
     print("                             default: /etc/shbackup.conf")
-    print("  -e, --epoch <epoch>        force to create backup for given epoch, which")
+    print("  -e, --epoch EPOCH          force to create backup for given epoch, which")
     print("                             can be 'sporadic' or one of the configured epochs")
-    print("  -m, --mode <mode>          override mode: full, diff, or incr")
+    print("  -m, --mode MODE            override mode: full, diff, or incr")
     print("  -v, --verbose              be more verbose and interact with user")
     print("  --verbosity LEVEL          set verbosity to LEVEL, which can be")
     print("                             error, warning, info, debug")