diff --git a/templates/i18n/allocation-info/de.hamlet b/templates/i18n/allocation-info/de-de-formal.hamlet similarity index 100% rename from templates/i18n/allocation-info/de.hamlet rename to templates/i18n/allocation-info/de-de-formal.hamlet diff --git a/templates/i18n/changelog/de.hamlet b/templates/i18n/changelog/de-de-formal.hamlet similarity index 100% rename from templates/i18n/changelog/de.hamlet rename to templates/i18n/changelog/de-de-formal.hamlet diff --git a/templates/i18n/corrections-upload-instructions/de.hamlet b/templates/i18n/corrections-upload-instructions/de-de-formal.hamlet similarity index 100% rename from templates/i18n/corrections-upload-instructions/de.hamlet rename to templates/i18n/corrections-upload-instructions/de-de-formal.hamlet diff --git a/templates/i18n/course-exam-office-explanation/de.hamlet b/templates/i18n/course-exam-office-explanation/de-de-formal.hamlet similarity index 100% rename from templates/i18n/course-exam-office-explanation/de.hamlet rename to templates/i18n/course-exam-office-explanation/de-de-formal.hamlet diff --git a/templates/i18n/data-protection/de.hamlet b/templates/i18n/data-protection/de-de-formal.hamlet similarity index 100% rename from templates/i18n/data-protection/de.hamlet rename to templates/i18n/data-protection/de-de-formal.hamlet diff --git a/templates/i18n/exam-users/computed-values-tip/de.hamlet b/templates/i18n/exam-users/computed-values-tip/de-de-formal.hamlet similarity index 100% rename from templates/i18n/exam-users/computed-values-tip/de.hamlet rename to templates/i18n/exam-users/computed-values-tip/de-de-formal.hamlet diff --git a/templates/i18n/featureList/de.hamlet b/templates/i18n/featureList/de-de-formal.hamlet similarity index 100% rename from templates/i18n/featureList/de.hamlet rename to templates/i18n/featureList/de-de-formal.hamlet diff --git a/templates/i18n/html-input/de.hamlet b/templates/i18n/html-input/de-de-formal.hamlet similarity index 100% rename from templates/i18n/html-input/de.hamlet rename to templates/i18n/html-input/de-de-formal.hamlet diff --git a/templates/i18n/implementation/de.hamlet b/templates/i18n/implementation/de-de-formal.hamlet similarity index 100% rename from templates/i18n/implementation/de.hamlet rename to templates/i18n/implementation/de-de-formal.hamlet diff --git a/templates/i18n/imprint/de.hamlet b/templates/i18n/imprint/de-de-formal.hamlet similarity index 100% rename from templates/i18n/imprint/de.hamlet rename to templates/i18n/imprint/de-de-formal.hamlet diff --git a/templates/i18n/info-lecturer/de.hamlet b/templates/i18n/info-lecturer/de-de-formal.hamlet similarity index 100% rename from templates/i18n/info-lecturer/de.hamlet rename to templates/i18n/info-lecturer/de-de-formal.hamlet diff --git a/templates/i18n/knownBugs/de.hamlet b/templates/i18n/knownBugs/de-de-formal.hamlet similarity index 100% rename from templates/i18n/knownBugs/de.hamlet rename to templates/i18n/knownBugs/de-de-formal.hamlet diff --git a/templates/i18n/profile/displayNameRules/de.hamlet b/templates/i18n/profile/displayNameRules/de-de-formal.hamlet similarity index 100% rename from templates/i18n/profile/displayNameRules/de.hamlet rename to templates/i18n/profile/displayNameRules/de-de-formal.hamlet diff --git a/templates/i18n/profile/tokenExplanation/de.hamlet b/templates/i18n/profile/tokenExplanation/de-de-formal.hamlet similarity index 100% rename from templates/i18n/profile/tokenExplanation/de.hamlet rename to templates/i18n/profile/tokenExplanation/de-de-formal.hamlet diff --git a/templates/i18n/set-display-email/de.hamlet b/templates/i18n/set-display-email/de-de-formal.hamlet similarity index 100% rename from templates/i18n/set-display-email/de.hamlet rename to templates/i18n/set-display-email/de-de-formal.hamlet diff --git a/templates/i18n/sheet-edit/de.hamlet b/templates/i18n/sheet-edit/de-de-formal.hamlet similarity index 100% rename from templates/i18n/sheet-edit/de.hamlet rename to templates/i18n/sheet-edit/de-de-formal.hamlet diff --git a/templates/i18n/table/csv-import-explanation/de.hamlet b/templates/i18n/table/csv-import-explanation/de-de-formal.hamlet similarity index 100% rename from templates/i18n/table/csv-import-explanation/de.hamlet rename to templates/i18n/table/csv-import-explanation/de-de-formal.hamlet diff --git a/templates/i18n/unauth-home/de.hamlet b/templates/i18n/unauth-home/de-de-formal.hamlet similarity index 100% rename from templates/i18n/unauth-home/de.hamlet rename to templates/i18n/unauth-home/de-de-formal.hamlet