diff --git a/openedx_events/learning/signals.py b/openedx_events/learning/signals.py
index 5aa5f1c4..0165d3fa 100644
--- a/openedx_events/learning/signals.py
+++ b/openedx_events/learning/signals.py
@@ -8,14 +8,17 @@
 docs/decisions/0003-events-payload.rst
 """
 
-from openedx_events.learning.data import (
-    CertificateData,
-    CohortData,
-    CourseEnrollmentData,
-    UserData,
-)
+from openedx_events.learning.data import CertificateData, CohortData, CourseEnrollmentData, UserData
 from openedx_events.tooling import OpenEdxPublicSignal
 
+# ..event_type: org.openedx.learning.student.registration.completed.v1
+# ..event_name: STUDENT_REGISTRATION_COMPLETED
+# ..event_version: V1
+# ..event_implementation: OpenEdxPublicSignal(DjangoSignal)
+# ..event_description: emitted when the user registration process in the LMS
+# is completed.
+# ..event_data: UserData
+# ..event_creation_date: 2020-22-07
 STUDENT_REGISTRATION_COMPLETED = OpenEdxPublicSignal(
     event_type="org.openedx.learning.student.registration.completed.v1",
     data={
@@ -24,6 +27,14 @@
 )
 
 
+# ..event_type: org.openedx.learning.auth.session.login.completed.v1
+# ..event_name: SESSION_LOGIN_COMPLETED
+# ..event_version: V1
+# ..event_implementation: OpenEdxPublicSignal(DjangoSignal)
+# ..event_description: emitted when the user's login process in the LMS is
+# completed.
+# ..event_data: UserData
+# ..event_creation_date: 2020-22-07
 SESSION_LOGIN_COMPLETED = OpenEdxPublicSignal(
     event_type="org.openedx.learning.auth.session.login.completed.v1",
     data={
@@ -32,6 +43,13 @@
 )
 
 
+# ..event_type: org.openedx.learning.course.enrollment.created.v1
+# ..event_name: COURSE_ENROLLMENT_CREATED
+# ..event_version: V1
+# ..event_implementation: OpenEdxPublicSignal(DjangoSignal)
+# ..event_description: emitted when the user's enrollment process is completed.
+# ..event_data: CourseEnrollmentData
+# ..event_creation_date: 2020-22-07
 COURSE_ENROLLMENT_CREATED = OpenEdxPublicSignal(
     event_type="org.openedx.learning.course.enrollment.created.v1",
     data={
@@ -40,6 +58,14 @@
 )
 
 
+# ..event_type: org.openedx.learning.course.enrollment.changed.v1
+# ..event_name: COURSE_ENROLLMENT_CHANGED
+# ..event_version: V1
+# ..event_implementation: OpenEdxPublicSignal(DjangoSignal)
+# ..event_description: emitted when the user's enrollment update process is
+# completed.
+# ..event_data: CourseEnrollmentData
+# ..event_creation_date: 2020-22-07
 COURSE_ENROLLMENT_CHANGED = OpenEdxPublicSignal(
     event_type="org.openedx.learning.course.enrollment.changed.v1",
     data={
@@ -48,14 +74,30 @@
 )
 
 
+# ..event_type: org.openedx.learning.course.unenrollment.completed.v1
+# ..event_name: COURSE_ENROLLMENT_CHANGED
+# ..event_version: V1
+# ..event_implementation: OpenEdxPublicSignal(DjangoSignal)
+# ..event_description: emitted when the user's unenrollment process is
+# completed.
+# ..event_data: CourseEnrollmentData
+# ..event_creation_date: 2020-22-07
 COURSE_UNENROLLMENT_COMPLETED = OpenEdxPublicSignal(
-    event_type="org.openedx.learning.course.enrollment.deactivated.v1",
+    event_type="org.openedx.learning.course.unenrollment.completed.v1",
     data={
         "enrollment": CourseEnrollmentData,
     }
 )
 
 
+# ..event_type: org.openedx.learning.certificate.created.v1
+# ..event_name: CERTIFICATE_CREATED
+# ..event_version: V1
+# ..event_implementation: OpenEdxPublicSignal(DjangoSignal)
+# ..event_description: emitted when the user's certificate creation process is
+# completed.
+# ..event_data: CertificateData
+# ..event_creation_date: 2020-22-07
 CERTIFICATE_CREATED = OpenEdxPublicSignal(
     event_type="org.openedx.learning.certificate.created.v1",
     data={
@@ -64,6 +106,14 @@
 )
 
 
+# ..event_type: org.openedx.learning.certificate.created.v1
+# ..event_name: CERTIFICATE_CREATED
+# ..event_version: V1
+# ..event_implementation: OpenEdxPublicSignal(DjangoSignal)
+# ..event_description: emitted when the user's certificate creation process is
+# completed.
+# ..event_data: CertificateData
+# ..event_creation_date: 2020-22-07
 CERTIFICATE_CHANGED = OpenEdxPublicSignal(
     event_type="org.openedx.learning.certificate.changed.v1",
     data={
@@ -72,6 +122,14 @@
 )
 
 
+# ..event_type: org.openedx.learning.certificate.revoked.v1
+# ..event_name: CERTIFICATE_REVOKED
+# ..event_version: V1
+# ..event_implementation: OpenEdxPublicSignal(DjangoSignal)
+# ..event_description: emitted when the user's certificate annulation process
+# is completed.
+# ..event_data: CertificateData
+# ..event_creation_date: 2020-22-07
 CERTIFICATE_REVOKED = OpenEdxPublicSignal(
     event_type="org.openedx.learning.certificate.revoked.v1",
     data={
@@ -80,6 +138,13 @@
 )
 
 
+# ..event_type: org.openedx.learning.cohort_membership.changed.v1
+# ..event_name: COHORT_MEMBERSHIP_CHANGED
+# ..event_version: V1
+# ..event_implementation: OpenEdxPublicSignal(DjangoSignal)
+# ..event_description: emitted when the user's cohort update is completed.
+# ..event_data: CohortData
+# ..event_creation_date: 2020-22-07
 COHORT_MEMBERSHIP_CHANGED = OpenEdxPublicSignal(
     event_type="org.openedx.learning.cohort_membership.changed.v1",
     data={