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diff --git a/tests/ls/stat-dtype b/tests/ls/stat-dtype
index ac4bc40..e94c2eb 100755 (executable)
--- a/tests/ls/stat-dtype
+++ b/tests/ls/stat-dtype
@@ -1,5 +1,7 @@
 #!/bin/sh
 # Ensure that ls --file-type does not call stat unnecessarily.
+# The trick is to create an un-stat'able symlink and to see if ls
+# can report its type nonetheless, using dirent.d_type.
 
 if test "$VERBOSE" = yes; then
   set -x