diff --git a/source/guides/data-protection.rst b/source/guides/data-protection.rst
index d5b8febf6152e40fedb352e11ed3a31ec9c3c900..ff9613b12f1ce48de9eb6948090637130b6fa86a 100644
--- a/source/guides/data-protection.rst
+++ b/source/guides/data-protection.rst
@@ -20,7 +20,7 @@ deleted.
 Most of the categories have legal time limits, so you should check the
 dashboard regularly.
 
-.. note::
+.. hint::
 
     It is recommended to configure an email address that should receive email
     notifications about new data protection tasks. Please ask your system
diff --git a/source/guides/recruitment.rst b/source/guides/recruitment.rst
index 91ec02df7af34e55af2878f152637cf2025eb69e..f873b1c9d4ae02cfa00480adcbbd72732000db39 100644
--- a/source/guides/recruitment.rst
+++ b/source/guides/recruitment.rst
@@ -47,7 +47,7 @@ Recruit subjects via phone
 Recruit subjects via mail
 =========================
 
-.. NOTE::
+.. note::
 
     Recruitment via mail is only possible if it has been :ref:`configured
     <study-recruitment-settings>` by the study coordinator.
diff --git a/source/guides/subject-management.rst b/source/guides/subject-management.rst
index af2596d83dabd3f8c6a0ab2d8ac41a387d7f6c68..e7c7031108cbbe587adecbfac7d893269ced472c 100644
--- a/source/guides/subject-management.rst
+++ b/source/guides/subject-management.rst
@@ -33,7 +33,7 @@ Search for a subject
 5.  If there is a **Match** found, confirm that this is the correct person by
     asking for a second feature (e.g. date of birth).
 
-    .. WARNING::
+    .. warning::
         Only ask for a second feature, do not disclose any information
         yourself. This is to avoid leaking personal information to imposters.
 
@@ -84,7 +84,7 @@ In order to create a potential subject in Castellum, please proceed as follows:
 
 3.  Click on **Create new subject**
 
-.. Warning:: 
+.. warning::
 
     Recruiters often find themselves in fast paced situations when talking to
     new potential subjects. Hence, we decided to support a quick creation of
@@ -290,12 +290,12 @@ please proceed as follows:
     **Are you sure you want to permanently delete this subject and all related
     data?** You can now click **Confirm** and the subject will be deleted.
 
-.. WARNING::
+.. warning::
 
     There may still be data stored in a backup. Please check with your local IT
     department to verify proper deletion.
 
-.. hint::
+.. note::
 
     Deleting a subject who has guardians will **not** automatically delete the
     corresponding guardians. However, if there is no other reason to keep the
diff --git a/source/roles.rst b/source/roles.rst
index 770743372b3c0ec9ed70a968600d29723cfe8796..f00bb913cd661641bb89fa0779e27f7aa672f200 100644
--- a/source/roles.rst
+++ b/source/roles.rst
@@ -3,7 +3,7 @@
 Roles
 =====
 
-.. NOTE::
+.. note::
 
     This section lists the roles that castellum ships by default. Administrators
     can customize these roles for their organization.