man stap: note that need for --poison-cache option is likely a bug

diff --git a/man/stap.1.in b/man/stap.1.in
index f30e92b1e8cb2a7b57d258ce1a309b4fcaebcd8f..c794e157a980beb2f4935c41e14c7478b6fcae41 100644 (file)
--- a/man/stap.1.in
+++ b/man/stap.1.in
@@ -448,7 +448,8 @@ read from or written to the cache.
 This option treats files in the cache directory as invalid.  No files will be
 read from the cache, but resulting files from this run will still be written to
 the cache.  This is meant as a troubleshooting aid when stap's cached behavior
-seems to be misbehaving.
+seems to be misbehaving.  If it helped, there is a probably a bug in systemtap
+that the developers would like you to report.
 
 .TP
 \fB\-\-privilege\fR[=\fIstapusr\fR | =\fIstapsys\fR | =\fIstapdev\fR]