diff --git a/src/docs/platform.doc.yml b/src/docs/platform.doc.yml
index de8cadb..7a76e09 100644
--- a/src/docs/platform.doc.yml
+++ b/src/docs/platform.doc.yml
@@ -165,13 +165,16 @@ paths:
                                   type: string
                       description: Metadata for Notion.
                     - type: object
-                      required: [baseURL, path]
+                      required: [baseURL, path, namespace]
                       properties:
                         baseURL:
                           type: string
                         path:
                           type: string
-                          default: /w/api.php
+                        namespace:
+                          type: array 
+                          items:
+                            type: number
                       description: Metadata for MediaWiki.
                     - type: object
                       required: [id, period, analyzerStartedAt, resources]
diff --git a/src/validations/module.validation.ts b/src/validations/module.validation.ts
index 127d395..f5d4f3d 100644
--- a/src/validations/module.validation.ts
+++ b/src/validations/module.validation.ts
@@ -79,7 +79,6 @@ const hivemindNotionMetadata = () => {
 
 const hivemindMediaWikiMetadata = () => {
   return Joi.object().keys({
-    pageIds: Joi.array().items(Joi.string()),
     activated: Joi.boolean(),
   });
 };
diff --git a/src/validations/platform.validation.ts b/src/validations/platform.validation.ts
index 002c122..f022c19 100644
--- a/src/validations/platform.validation.ts
+++ b/src/validations/platform.validation.ts
@@ -34,6 +34,15 @@ const websiteUpdateMetadata = () => {
     resources: Joi.array().items(Joi.string().uri({ scheme: ['http', 'https'] })),
   });
 };
+
+const mediaWikiUpdateMetadata = () => {
+  return Joi.object().keys({
+    baseURL: Joi.string().required(),
+    path: Joi.string().required(),
+    namespace: Joi.array().items(Joi.number()).required(),
+  });
+};
+
 const twitterMetadata = () => {
   return Joi.object().keys({
     id: Joi.string().required(),
@@ -84,7 +93,8 @@ const notionMetadata = () => {
 const mediaWikiMetadata = () => {
   return Joi.object().keys({
     baseURL: Joi.string().required(),
-    path: Joi.string().required().valid('/w/api.php'),
+    path: Joi.string().required(),
+    namespace: Joi.array().items(Joi.number()).required(),
   });
 };
 
@@ -229,6 +239,16 @@ const dynamicUpdatePlatform = (req: Request) => {
         }),
       };
     }
+    case PlatformNames.MediaWiki: {
+      return {
+        params: Joi.object().keys({
+          platformId: Joi.required().custom(objectId),
+        }),
+        body: Joi.object().required().keys({
+          metadata: mediaWikiUpdateMetadata(),
+        }),
+      };
+    }
     default:
       req.allowInput = false;
       return {};