diff --git a/tmp/README.md b/tmp/README.md
index 1dbcab3..18fc806 100644
--- a/tmp/README.md
+++ b/tmp/README.md
@@ -1,3 +1,3 @@
 ## tmp
 
-A tmp directory is required for the interface of the Shell library.
+Some tasks may use the tmp directory if the WelsonJS version is lower than 0.2.7.
\ No newline at end of file