diff --git a/doc/misc/tramp.texi b/doc/misc/tramp.texi
index f81d996d73..49c32ac3f1 100644
--- a/doc/misc/tramp.texi
+++ b/doc/misc/tramp.texi
@@ -3799,7 +3799,11 @@ Bug Reports
 detours.

 To exclude cache-related problems, flush all caches before running the
-test, @ref{Cleanup remote connections}.
+test, @ref{Cleanup remote connections}.  Alternatively, and often
+better for analysis, reproduce the problem in a clean Emacs session
+started with @command{emacs -Q}.  Then, @value{tramp} does not load
+the persistency file (@pxref{Connection caching}), and it does not use
+passwords from @file{auth-source.el} (@pxref{Password handling}).

 When including @value{tramp}'s messages in the bug report, increase
 the verbosity level to 6 (@pxref{Traces and Profiles, Traces}) in the