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-rw-r--r--rts/RtsFlags.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/rts/RtsFlags.c b/rts/RtsFlags.c
index 421e81ef07..5afaf4914b 100644
--- a/rts/RtsFlags.c
+++ b/rts/RtsFlags.c
@@ -361,8 +361,8 @@ usage_text[] = {
"",
#endif /* DEBUG */
#if defined(THREADED_RTS) && !defined(NOSMP)
-" -N<n> Use <n> processors (default: 1)",
-" -N Determine the number of processors to use automatically",
+" -N[<n>] Use <n> processors (default: 1, -N alone determines",
+" the number of processors to use automatically)",
" -qg[<n>] Use parallel GC only for generations >= <n>",
" (default: 0, -qg alone turns off parallel GC)",
" -qb[<n>] Use load-balancing in the parallel GC only for generations >= <n>",