diff --git a/src/app/tests/suites/certification/Test_TC_CNET_4_23.yaml b/src/app/tests/suites/certification/Test_TC_CNET_4_23.yaml
index 7797391f5b7ece..f351c87db16c9d 100644
--- a/src/app/tests/suites/certification/Test_TC_CNET_4_23.yaml
+++ b/src/app/tests/suites/certification/Test_TC_CNET_4_23.yaml
@@ -144,7 +144,7 @@ tests:
 
     - label:
           "Step 7: TH sends ConnectNetwork command to the DUT's endpoint
-          PIXIT.CNET.ENDPOINT_THREAD with NetworkID field set to the 
+          PIXIT.CNET.ENDPOINT_THREAD with NetworkID field set to the
           extended PAN ID of PIXIT.CNET.THREAD_1ST_OPERATIONALDATASET"
       PICS: CNET.S.C06.Rsp
       verification: |
@@ -214,7 +214,7 @@ tests:
 
     - label:
           "Step 11: TH sends RemoveNetwork Command to the DUT's endpoint
-          PIXIT.CNET.ENDPOINT_THREAD with NetworkID field set to the 
+          PIXIT.CNET.ENDPOINT_THREAD with NetworkID field set to the
           extended PAN ID of PIXIT.CNET.THREAD_1ST_OPERATIONALDATASET"
       PICS: CNET.S.C04.Rsp && CNET.S.C05.Tx
       verification: |