cct usage: add 'I' to docs, re-order usage to same as docs

1 files changed, 3 insertions, 3 deletions

diff --git a/src/cct.c b/src/cct.c
index 956f91b3..d9d25329 100644
--- a/src/cct.c
+++ b/src/cct.c
@@ -101,12 +101,12 @@ static const char usage[] = {
     "--------------------------------------------------------------------------------\n"
     "Options:\n"
     "--------------------------------------------------------------------------------\n"
-    "    -o /path/to/file  Specify output file name\n"
     "    -c x,y,z,t        Specify input columns for (up to) 4 input parameters.\n"
     "                      Defaults to 1,2,3,4\n"
-    "    -z value          Provide a fixed z value for all input data (e.g. -z 0)\n"
-    "    -t value          Provide a fixed t value for all input data (e.g. -t 0)\n"
     "    -I                Do the inverse transformation\n"
+    "    -o /path/to/file  Specify output file name\n"
+    "    -t value          Provide a fixed t value for all input data (e.g. -t 0)\n"
+    "    -z value          Provide a fixed z value for all input data (e.g. -z 0)\n"
     "    -s n              Skip n first lines of a infile\n"
     "    -v                Verbose: Provide non-essential informational output.\n"
     "                      Repeat -v for more verbosity (e.g. -vv)\n"