mg-repro-setup: Improve a doc message slightly

Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>

diff --git a/mg-repro-setup b/mg-repro-setup
index 6ed4d85e4fc460b432586a9df4d07ec68974eb3d..c8bcad33f381237def4f1d44a2c329e107c60076 100755 (executable)
--- a/mg-repro-setup
+++ b/mg-repro-setup
@@ -33,7 +33,7 @@ usage () { cat <<END
    (default <ident> is \`host')
 
  OPTIONs
-   -t<duration>         estimated duration (default = 28d)
+   -t<duration>         estimated overall allocation lifetime (default = 28d)
    --rogue              bypass queuing system and allocate now
    --capture            do not suppress log capture
    -r<var>=<value>      set runvar