diff --git a/ihatemoney/tests/api_test.py b/ihatemoney/tests/api_test.py
index 6d241bd1..1365fa02 100644
--- a/ihatemoney/tests/api_test.py
+++ b/ihatemoney/tests/api_test.py
@@ -232,7 +232,7 @@ class APITestCase(IhatemoneyTestCase):
         # create a project
         self.api_create("raclette")
 
-        # get the list of members (should be empty)
+        # get the list of participants (should be empty)
         req = self.client.get(
             "/api/projects/raclette/members", headers=self.get_auth("raclette")
         )
@@ -251,7 +251,7 @@ class APITestCase(IhatemoneyTestCase):
         self.assertStatus(201, req)
         self.assertEqual("1\n", req.data.decode("utf-8"))
 
-        # the list of members should contain one member
+        # the list of participants should contain one member
         req = self.client.get(
             "/api/projects/raclette/members", headers=self.get_auth("raclette")
         )
@@ -267,7 +267,7 @@ class APITestCase(IhatemoneyTestCase):
         )
         self.assertStatus(400, req)
 
-        # edit the member
+        # edit the participant
         req = self.client.put(
             "/api/projects/raclette/members/1",
             data={"name": "Fred", "weight": 2},
@@ -295,7 +295,7 @@ class APITestCase(IhatemoneyTestCase):
 
         self.assertStatus(200, req)
 
-        # de-activate the user
+        # de-activate the participant
         req = self.client.put(
             "/api/projects/raclette/members/1",
             data={"name": "Fred", "activated": False},
@@ -309,7 +309,7 @@ class APITestCase(IhatemoneyTestCase):
         self.assertStatus(200, req)
         self.assertEqual(False, json.loads(req.data.decode("utf-8"))["activated"])
 
-        # re-activate the user
+        # re-activate the participant
         req = self.client.put(
             "/api/projects/raclette/members/1",
             data={"name": "Fred", "activated": True},
@@ -330,7 +330,7 @@ class APITestCase(IhatemoneyTestCase):
 
         self.assertStatus(200, req)
 
-        # the list of members should be empty
+        # the list of participants should be empty
         req = self.client.get(
             "/api/projects/raclette/members", headers=self.get_auth("raclette")
         )
@@ -342,7 +342,7 @@ class APITestCase(IhatemoneyTestCase):
         # create a project
         self.api_create("raclette")
 
-        # add members
+        # add participants
         self.api_add_member("raclette", "zorglub")
         self.api_add_member("raclette", "fred")
         self.api_add_member("raclette", "quentin")
@@ -490,7 +490,7 @@ class APITestCase(IhatemoneyTestCase):
         # create a project
         self.api_create("raclette")
 
-        # add members
+        # add participants
         self.api_add_member("raclette", "zorglub")
         self.api_add_member("raclette", "fred")
 
@@ -597,7 +597,7 @@ class APITestCase(IhatemoneyTestCase):
         decoded_resp = json.loads(resp.data.decode("utf-8"))
         self.assertDictEqual(decoded_resp, expected)
 
-        # Add members
+        # Add participants
         self.api_add_member("raclette", "zorglub")
         self.api_add_member("raclette", "fred")
         self.api_add_member("raclette", "quentin")
@@ -730,7 +730,7 @@ class APITestCase(IhatemoneyTestCase):
         # create a project
         self.api_create("raclette")
 
-        # add members
+        # add participants
         self.api_add_member("raclette", "zorglub")
         self.api_add_member("raclette", "fred")
 
@@ -786,7 +786,7 @@ class APITestCase(IhatemoneyTestCase):
         self.post_project("raclette")
         self.login("raclette")
 
-        # add members
+        # add participants
         self.api_add_member("raclette", "<script>")
 
         result = self.client.get("/raclette/")
@@ -796,7 +796,7 @@ class APITestCase(IhatemoneyTestCase):
         # create a project
         self.api_create("raclette")
 
-        # add members
+        # add participants
         self.api_add_member("raclette", "zorglub")
         self.api_add_member("raclette", "freddy familly", 4)
         self.api_add_member("raclette", "quentin")
@@ -891,7 +891,7 @@ class APITestCase(IhatemoneyTestCase):
         self.api_create("raclette")
         self.login("raclette")
 
-        # add members
+        # add participants
         self.api_add_member("raclette", "zorglub")
 
         resp = self.client.get("/raclette/history", follow_redirects=True)
diff --git a/ihatemoney/tests/budget_test.py b/ihatemoney/tests/budget_test.py
index 159f016a..cfa06d09 100644
--- a/ihatemoney/tests/budget_test.py
+++ b/ihatemoney/tests/budget_test.py
@@ -42,14 +42,14 @@ class BudgetTestCase(IhatemoneyTestCase):
             self.assertEqual(outbox[0].recipients, ["raclette@notmyidea.org"])
             self.assertEqual(outbox[1].recipients, ["zorglub@notmyidea.org"])
 
-        # sending a message to multiple persons
+        # sending a message to multiple participants
         with self.app.mail.record_messages() as outbox:
             self.client.post(
                 "/raclette/invite",
                 data={"emails": "zorglub@notmyidea.org, toto@notmyidea.org"},
             )
 
-            # only one message is sent to multiple persons
+            # only one message is sent to multiple participants
             self.assertEqual(len(outbox), 1)
             self.assertEqual(
                 outbox[0].recipients, ["zorglub@notmyidea.org", "toto@notmyidea.org"]
@@ -67,7 +67,7 @@ class BudgetTestCase(IhatemoneyTestCase):
                 "/raclette/invite", data={"emails": "zorglub@notmyidea.org, zorglub"}
             )  # not valid
 
-            # only one message is sent to multiple persons
+            # only one message is sent to multiple participants
             self.assertEqual(len(outbox), 0)
 
     def test_invite(self):
@@ -318,7 +318,7 @@ class BudgetTestCase(IhatemoneyTestCase):
 
         result = self.client.get("/raclette/")
 
-        # Empty bill list and no members, should now propose to add members first
+        # Empty bill list and no members, should now propose to add participants first
         self.assertIn(
             'You probably want to <a href="/raclette/members/add"',
             result.data.decode("utf-8"),
@@ -568,7 +568,7 @@ class BudgetTestCase(IhatemoneyTestCase):
     def test_manage_bills(self):
         self.post_project("raclette")
 
-        # add two persons
+        # add two participants
         self.client.post("/raclette/members/add", data={"name": "zorglub"})
         self.client.post("/raclette/members/add", data={"name": "fred"})
 
@@ -709,7 +709,7 @@ class BudgetTestCase(IhatemoneyTestCase):
     def test_weighted_balance(self):
         self.post_project("raclette")
 
-        # add two persons
+        # add two participants
         self.client.post("/raclette/members/add", data={"name": "zorglub"})
         self.client.post(
             "/raclette/members/add", data={"name": "freddy familly", "weight": 4}
@@ -756,7 +756,7 @@ class BudgetTestCase(IhatemoneyTestCase):
     def test_weighted_members_list(self):
         self.post_project("raclette")
 
-        # add two persons
+        # add two participants
         self.client.post("/raclette/members/add", data={"name": "zorglub"})
         self.client.post("/raclette/members/add", data={"name": "tata", "weight": 1})
 
@@ -787,7 +787,7 @@ class BudgetTestCase(IhatemoneyTestCase):
     def test_rounding(self):
         self.post_project("raclette")
 
-        # add members
+        # add participants
         self.client.post("/raclette/members/add", data={"name": "zorglub"})
         self.client.post("/raclette/members/add", data={"name": "fred"})
         self.client.post("/raclette/members/add", data={"name": "tata"})
@@ -896,11 +896,11 @@ class BudgetTestCase(IhatemoneyTestCase):
         # Output is checked with the USD sign
         self.post_project("raclette", default_currency="USD")
 
-        # add members
+        # add participants
         self.client.post("/raclette/members/add", data={"name": "zorglub", "weight": 2})
         self.client.post("/raclette/members/add", data={"name": "fred"})
         self.client.post("/raclette/members/add", data={"name": "tata"})
-        # Add a member with a balance=0 :
+        # Add a participant with a balance at 0 :
         self.client.post("/raclette/members/add", data={"name": "pépé"})
 
         # create bills
@@ -976,11 +976,11 @@ class BudgetTestCase(IhatemoneyTestCase):
     def test_settle(self):
         self.post_project("raclette")
 
-        # add members
+        # add participants
         self.client.post("/raclette/members/add", data={"name": "zorglub"})
         self.client.post("/raclette/members/add", data={"name": "fred"})
         self.client.post("/raclette/members/add", data={"name": "tata"})
-        # Add a member with a balance=0 :
+        # Add a participant with a balance at 0 :
         self.client.post("/raclette/members/add", data={"name": "pépé"})
 
         # create bills
@@ -1031,7 +1031,7 @@ class BudgetTestCase(IhatemoneyTestCase):
     def test_settle_zero(self):
         self.post_project("raclette")
 
-        # add members
+        # add participants
         self.client.post("/raclette/members/add", data={"name": "zorglub"})
         self.client.post("/raclette/members/add", data={"name": "fred"})
         self.client.post("/raclette/members/add", data={"name": "tata"})
@@ -1086,7 +1086,7 @@ class BudgetTestCase(IhatemoneyTestCase):
 
         self.post_project("raclette")
 
-        # add members
+        # add participants
         self.client.post("/raclette/members/add", data={"name": "zorglub", "weight": 2})
         self.client.post("/raclette/members/add", data={"name": "fred"})
         self.client.post("/raclette/members/add", data={"name": "tata"})
@@ -1217,7 +1217,7 @@ class BudgetTestCase(IhatemoneyTestCase):
     def test_export_with_currencies(self):
         self.post_project("raclette", default_currency="EUR")
 
-        # add members
+        # add participants
         self.client.post("/raclette/members/add", data={"name": "zorglub", "weight": 2})
         self.client.post("/raclette/members/add", data={"name": "fred"})
         self.client.post("/raclette/members/add", data={"name": "tata"})
@@ -1972,7 +1972,7 @@ class BudgetTestCase(IhatemoneyTestCase):
         # A project should be editable
         self.post_project("raclette")
 
-        # add members
+        # add participants
         self.client.post("/raclette/members/add", data={"name": "zorglub"})
         self.client.post("/raclette/members/add", data={"name": "fred"})
         self.client.post("/raclette/members/add", data={"name": "tata"})
@@ -2099,7 +2099,7 @@ class BudgetTestCase(IhatemoneyTestCase):
         # Default currency is 'XXX', but we should start from a project with a currency
         self.post_project("raclette", default_currency="USD")
 
-        # add members
+        # add participants
         self.client.post("/raclette/members/add", data={"name": "zorglub"})
         self.client.post("/raclette/members/add", data={"name": "fred"})
 
@@ -2133,7 +2133,7 @@ class BudgetTestCase(IhatemoneyTestCase):
         # Default currency is 'XXX', but we should start from a project with a currency
         self.post_project("raclette", default_currency="USD")
 
-        # add members
+        # add participants
         self.client.post("/raclette/members/add", data={"name": "zorglub"})
         self.client.post("/raclette/members/add", data={"name": "fred"})
 
diff --git a/ihatemoney/web.py b/ihatemoney/web.py
index fe99ab84..2b365c1f 100644
--- a/ihatemoney/web.py
+++ b/ihatemoney/web.py
@@ -697,7 +697,10 @@ def reactivate(member_id):
     # Used for CSRF validation
     form = EmptyForm()
     if not form.validate():
-        flash(format_form_errors(form, _("Error activating participant")), category="danger")
+        flash(
+            format_form_errors(form, _("Error activating participant")),
+            category="danger",
+        )
         return redirect(url_for(".list_bills"))
 
     person = (
@@ -717,7 +720,9 @@ def remove_member(member_id):
     # Used for CSRF validation
     form = EmptyForm()
     if not form.validate():
-        flash(format_form_errors(form, _("Error removing participant")), category="danger")
+        flash(
+            format_form_errors(form, _("Error removing participant")), category="danger"
+        )
         return redirect(url_for(".list_bills"))
 
     member = g.project.remove_member(member_id)