osdmaptool: fix usage

diff --git a/src/osdmaptool.cc b/src/osdmaptool.cc
index 24ed7aadc4308e8e18ce3f68ea495bf36482fcfd..954c0abb0794bddd77535eea759a2777538c5366 100644 (file)
--- a/src/osdmaptool.cc
+++ b/src/osdmaptool.cc
@@ -30,7 +30,7 @@ using namespace std;
 
 void usage()
 {
-  cout << " usage: [--print] [--createsimple <numosd> [--clobber] [--pgbits <bitsperosd>]] <mapfilename>" << std::endl;
+  cout << " usage: [--print] [--createsimple <numosd> [--clobber] [--pg_bits <bitsperosd>]] <mapfilename>" << std::endl;
   cout << "   --export-crush <file>   write osdmap's crush map to <file>" << std::endl;
   cout << "   --import-crush <file>   replace osdmap's crush map with <file>" << std::endl;
   exit(1);