diff --git a/lldb/test/dotest.py b/lldb/test/dotest.py
index f519672ff9ff..262c1d4833ba 100755
--- a/lldb/test/dotest.py
+++ b/lldb/test/dotest.py
@@ -87,7 +87,8 @@ validCategories = {
 'basic_process': 'Basic process execution sniff tests.',
 'cmdline' : 'Tests related to the LLDB command-line interface',
 'dyntype' : 'Tests related to dynamic type support',
-'stresstest' : 'Tests related to stressing lldb limits'
+'stresstest' : 'Tests related to stressing lldb limits',
+'flakey' : 'Flakey test cases, i.e. tests that do not reliably pass at each execution'
 }
 
 # The test suite.