diff --git a/docs/data/data-grid/localization/data.json b/docs/data/data-grid/localization/data.json
index 79e9f02fe9247..b4887857a77b1 100644
--- a/docs/data/data-grid/localization/data.json
+++ b/docs/data/data-grid/localization/data.json
@@ -99,7 +99,7 @@
     "languageTag": "de-DE",
     "importName": "deDE",
     "localeName": "German",
-    "missingKeysCount": 1,
+    "missingKeysCount": 0,
     "totalKeysCount": 118,
     "githubLink": "https://github.com/mui/mui-x/blob/master/packages/x-data-grid/src/locales/deDE.ts"
   },
diff --git a/packages/x-data-grid/src/locales/deDE.ts b/packages/x-data-grid/src/locales/deDE.ts
index a4d7d88382bf5..6d4faf098abdc 100644
--- a/packages/x-data-grid/src/locales/deDE.ts
+++ b/packages/x-data-grid/src/locales/deDE.ts
@@ -42,7 +42,7 @@ const deDEGrid: Partial<GridLocaleText> = {
   columnsManagementSearchTitle: 'Suche',
   columnsManagementNoColumns: 'Keine Spalten',
   columnsManagementShowHideAllText: 'Alle anzeigen/verbergen',
-  // columnsManagementReset: 'Reset',
+  columnsManagementReset: 'Zurücksetzen',
 
   // Filter panel text
   filterPanelAddFilter: 'Filter hinzufügen',