diff --git a/docs/diagrams/TrAcker activity diagrams/DeleteStudentFromEventActivityDiagram.png b/docs/diagrams/TrAcker activity diagrams/DeleteStudentFromEventActivityDiagram.png new file mode 100644 index 00000000000..fa1ac542cd6 Binary files /dev/null and b/docs/diagrams/TrAcker activity diagrams/DeleteStudentFromEventActivityDiagram.png differ diff --git a/docs/diagrams/TrAcker activity diagrams/EditStudentInEventActivityDiagram.png b/docs/diagrams/TrAcker activity diagrams/EditStudentInEventActivityDiagram.png new file mode 100644 index 00000000000..e479143fd4a Binary files /dev/null and b/docs/diagrams/TrAcker activity diagrams/EditStudentInEventActivityDiagram.png differ