correcting note about rerunning regtests

looks like it is necessary to make test-clean
if you want to check regtests on a new branch
without making test-baseline

diff --git a/Documentation/contributor/regressions.itexi b/Documentation/contributor/regressions.itexi
index 13c17651b9605d3f22b2c254e44c384a9f6bc8aa..7f4c9276169c22f9f52462b9fa95ee595df245c1 100644 (file)
--- a/Documentation/contributor/regressions.itexi
+++ b/Documentation/contributor/regressions.itexi
@@ -273,8 +273,8 @@ unless git master changed. In other words, if you work with several branches
 and want to do regtests comparison for all of them, you can
 @code{make test-baseline} with git master, checkout some branch,
 @code{make} and @code{make check} it, then switch to another branch,
-@code{make} and @code{make check} it without doing @code{make test-baseline}
-again.}
+@code{make test-clean}, @code{make} and @code{make check} it without doing
+@code{make test-baseline} again.}
 
 
 @node Finding the cause of a regression