diff --git a/src/test/tls/tlsTest.py b/src/test/tls/tlsTest.py
index a94714f..c50b2a1 100644
--- a/src/test/tls/tlsTest.py
+++ b/src/test/tls/tlsTest.py
@@ -32,33 +32,34 @@
     app = 'org.opencord.aaa'
     TLS_TIMEOUT = 20
     TEST_TIMEOUT = 3600
+    #this is from ca.pem file
     CLIENT_CERT_INVALID = '''-----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----'''
 
     invalid_cipher_suites = ['TLS_RSA_WITH_NULL_SHA256',