diff --git a/test/README b/test/README
index ef39d38ac97c66d051e16c1accb454487af2d696..3ecbf4dc5e6eed6262ae3a9c9226044859cdd788 100644
--- a/test/README
+++ b/test/README
@@ -29,7 +29,8 @@ The number {nn} is (somewhat loosely) grouped as follows:
 60-79  APIs
    70  PACKET layer
 80-89  "larger" protocols (CA, CMS, OCSP, SSL, TSA)
-90-99  misc
+90-98  misc
+99     most time consuming tests [such as test_fuzz]
 
 
 A recipe that just runs a test executable