diff --git a/backend/bdd/features/pki/acme/challenge.feature b/backend/bdd/features/pki/acme/challenge.feature
index 1d16f6baa..9a2e72e87 100644
--- a/backend/bdd/features/pki/acme/challenge.feature
+++ b/backend/bdd/features/pki/acme/challenge.feature
@@ -37,7 +37,7 @@ Feature: Challenge
     And I sign the certificate signing request csr with private key cert_key and output it as csr_pem in PEM format
     And I submit the certificate signing request PEM csr_pem certificate order to the ACME server as order
     And I select challenge with type http-01 for domain localhost from order in order as challenge
-    And I wait 45 seconds before serve challenge response for challenge at localhost
+    And I wait 45 seconds and serve challenge response for challenge at localhost
     And I tell ACME server that challenge is ready to be verified
     And I poll and finalize the ACME order order as finalized_order
     And the value finalized_order.body with jq ".status" should be equal to "valid"
diff --git a/backend/bdd/features/steps/pki_acme.py b/backend/bdd/features/steps/pki_acme.py
index 2dd61c123..062fd7c2f 100644
--- a/backend/bdd/features/steps/pki_acme.py
+++ b/backend/bdd/features/steps/pki_acme.py
@@ -920,7 +920,7 @@ def step_impl(
 
 
 @then(
-    "I wait {wait_time} seconds before serve challenge response for {var_path} at {hostname}"
+    "I wait {wait_time} seconds and serve challenge response for {var_path} at {hostname}"
 )
 def step_impl(context: Context, wait_time: str, var_path: str, hostname: str):
     challenge = eval_var(context, var_path, as_json=False)