X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/ecb6fe6728708adefdf4f2f2aad134e36f09fc28..e4520c7817b76d6a5453237d94b1ed10fa6d2ef3:/test/README

diff --git a/test/README b/test/README
index d013f7823..c0bfa04f1 100644
--- a/test/README
+++ b/test/README
@@ -681,7 +681,12 @@ script. For example:
   # -bS Use of HELO/RSET
 
 A line consisting just of digits is interpreted as the expected return code
-for the command that follows. The default expectation when no such line exists
+for the command that follows.
+
+A line consisting of a tilde (~) followed by digits indicates a non-expected
+return code for the command that follows.
+
+The default expectation when neither such line exists
 is a zero return code. For example, here is a complete test script, containing
 just one command: