diff --git a/docs/data/data-grid/localization/data.json b/docs/data/data-grid/localization/data.json
index c7203174d3133..090dfc0fcc718 100644
--- a/docs/data/data-grid/localization/data.json
+++ b/docs/data/data-grid/localization/data.json
@@ -187,7 +187,7 @@
     "languageTag": "pt-BR",
     "importName": "ptBR",
     "localeName": "Portuguese (Brazil)",
-    "missingKeysCount": 1,
+    "missingKeysCount": 0,
     "totalKeysCount": 118,
     "githubLink": "https://github.com/mui/mui-x/blob/master/packages/x-data-grid/src/locales/ptBR.ts"
   },
diff --git a/packages/x-data-grid/src/locales/ptBR.ts b/packages/x-data-grid/src/locales/ptBR.ts
index 3e2eb6cc008ae..09480e6249077 100644
--- a/packages/x-data-grid/src/locales/ptBR.ts
+++ b/packages/x-data-grid/src/locales/ptBR.ts
@@ -42,7 +42,7 @@ const ptBRGrid: Partial<GridLocaleText> = {
   columnsManagementSearchTitle: 'Buscar',
   columnsManagementNoColumns: 'Nenhuma coluna',
   columnsManagementShowHideAllText: 'Mostrar/Ocultar Todas',
-  // columnsManagementReset: 'Reset',
+  columnsManagementReset: 'Redefinir',
 
   // Filter panel text
   filterPanelAddFilter: 'Adicionar filtro',