Index: docs/CommandGuide/lit.rst
===================================================================
--- docs/CommandGuide/lit.rst
+++ docs/CommandGuide/lit.rst
@@ -403,7 +403,7 @@
  %p         same as %S
  %{pathsep} path separator
  %t         temporary file name unique to the test
- %T         temporary directory unique to the test
+ %T         parent directory of %t (not unique, deprecated, do not use)
  %%         %
  ========== ==============