tester: document 'run --dist' option

* tester/run (show_help): Mention --dist.

1 files changed, 1 insertions, 0 deletions

diff --git a/tester/run b/tester/run
index 856d605..b116c12 100755
--- a/tester/run
+++ b/tester/run
@@ -162,6 +162,7 @@ Script is aimed to perform set of tests in subdirectories.
 
 Options:
   --force                    Overwrite result dir if exists
+  --dist                     Prepare self-standing distribution tarball
   --listonly                 List the available test ids
   --testid=TESTID            Perform this test only
   --verbose                  Show complete output from each test