X-Git-Url: http://nitlanguage.org

diff --git a/share/man/nitunit.md b/share/man/nitunit.md
index 66bf749..6f09402 100644
--- a/share/man/nitunit.md
+++ b/share/man/nitunit.md
@@ -272,6 +272,9 @@ Working directory (default is 'nitunit.out').
 
 In order to execute the tests, nit files are generated then compiled and executed in the giver working directory.
 
+In case of success, the directory is removed.
+In case of failure, it is kept as is so files can be investigated.
+
 ### `--nitc`
 nitc compiler to use.