diff --git a/meshchatx/meshchat.py b/meshchatx/meshchat.py
index 350d624..0f96798 100644
--- a/meshchatx/meshchat.py
+++ b/meshchatx/meshchat.py
@@ -11687,9 +11687,9 @@ class ReticulumMeshChat:
             dm = self.current_context.docs_manager
 
             async def reticulum_docs_handler(request):
-                path = request.match_info.get("filename", "index.html")
+                path = request.match_info.get("filename", "manual/index.html")
                 if not path:
-                    path = "index.html"
+                    path = "manual/index.html"
                 if path.endswith("/"):
                     path += "index.html"
 
diff --git a/meshchatx/src/frontend/components/TutorialModal.vue b/meshchatx/src/frontend/components/TutorialModal.vue
index 30c3503..15961f9 100644
--- a/meshchatx/src/frontend/components/TutorialModal.vue
+++ b/meshchatx/src/frontend/components/TutorialModal.vue
@@ -511,7 +511,7 @@
                                             {{ $t("tutorial.meshchatx_docs") }}
                                         </a>
                                         <a
-                                            href="/reticulum-docs/index.html"
+                                            :href="reticulumBundledDocsUrl"
                                             target="_blank"
                                             class="px-3 py-1 text-[10px] rounded-xl border border-gray-300 dark:border-zinc-700 bg-white dark:bg-zinc-800 text-gray-700 dark:text-zinc-300 font-semibold shadow-sm transition-all hover:bg-gray-50 dark:hover:bg-zinc-700 hover:border-blue-400 dark:hover:border-blue-500 inline-block"
                                         >
@@ -1180,7 +1180,7 @@
                                             {{ $t("tutorial.read_meshchatx_docs") }}
                                         </a>
                                         <a
-                                            href="/reticulum-docs/index.html"
+                                            :href="reticulumBundledDocsUrl"
                                             target="_blank"
                                             class="h-12 rounded-xl border border-gray-300 dark:border-zinc-700 bg-white dark:bg-zinc-800 text-gray-700 dark:text-zinc-300 font-semibold shadow-sm transition-all hover:bg-gray-50 dark:hover:bg-zinc-700 hover:border-blue-400 dark:hover:border-blue-500 inline-flex items-center justify-center px-6"
                                         >
@@ -1358,6 +1358,7 @@ import logoUrl from "../assets/images/logo.png";
 import ToastUtils from "../js/ToastUtils";
 import DialogUtils from "../js/DialogUtils";
 import GlobalState from "../js/GlobalState";
+import { bundledReticulumDocsUrl } from "../js/reticulumDocsEntryUrl.js";
 import LanguageSelector from "./LanguageSelector.vue";
 import MaterialDesignIcon from "./MaterialDesignIcon.vue";
 
@@ -1420,6 +1421,9 @@ export default {
         selectedBootstrapCount() {
             return this.selectedBootstrapKeys.length;
         },
+        reticulumBundledDocsUrl() {
+            return bundledReticulumDocsUrl(this.$i18n.locale);
+        },
     },
     beforeUnmount() {
         if (this.onWindowResize) {
diff --git a/meshchatx/src/frontend/components/docs/DocsPage.vue b/meshchatx/src/frontend/components/docs/DocsPage.vue
index 30c31a3..102c19a 100644
--- a/meshchatx/src/frontend/components/docs/DocsPage.vue
+++ b/meshchatx/src/frontend/components/docs/DocsPage.vue
@@ -488,6 +488,7 @@
             <!-- Reticulum Docs View -->
             <iframe
                 v-if="activeTab === 'reticulum' && status.has_docs && !searchQuery"
+                :key="localDocsUrl"
                 ref="docsFrame"
                 :src="localDocsUrl"
                 class="w-full h-full border-none opacity-0 transition-opacity duration-1000"
@@ -522,6 +523,8 @@
 <script>
 import MaterialDesignIcon from "../MaterialDesignIcon.vue";
 import ToastUtils from "../../js/ToastUtils";
+import GlobalState from "../../js/GlobalState";
+import { bundledReticulumDocsUrl } from "../../js/reticulumDocsEntryUrl.js";
 
 export default {
     components: {
@@ -572,12 +575,7 @@ export default {
             if (this.selectedReticulumPath) {
                 return `/reticulum-docs/${this.selectedReticulumPath}`;
             }
-            const lang = this.currentLang;
-            if (lang === "en") return "/reticulum-docs/index.html";
-            if (Object.keys(this.languages).includes(lang)) {
-                return `/reticulum-docs/index_${lang}.html`;
-            }
-            return "/reticulum-docs/index.html";
+            return bundledReticulumDocsUrl(this.currentLang);
         },
         allLanguages() {
             return Object.entries(this.languages).map(([code, name]) => ({
@@ -723,7 +721,8 @@ export default {
                 await window.api.patch("/api/v1/config", {
                     language: langCode,
                 });
-                // The app will update automatically via websocket config sync
+                this.$i18n.locale = langCode;
+                GlobalState.config.language = langCode;
             } catch (error) {
                 console.error("Failed to update language:", error);
             }
diff --git a/meshchatx/src/frontend/js/reticulumDocsEntryUrl.js b/meshchatx/src/frontend/js/reticulumDocsEntryUrl.js
new file mode 100644
index 0000000..f0a1fe7
--- /dev/null
+++ b/meshchatx/src/frontend/js/reticulumDocsEntryUrl.js
@@ -0,0 +1,29 @@
+/**
+ * Locales that ship a localized root index (index_<locale>.html) in the
+ * Reticulum website bundle. The Sphinx manual itself is English-only under
+ * manual/; other locales use these pages like the public site.
+ */
+const BUNDLED_RETICULUM_SITE_INDEX_LOCALES = new Set(["de", "es", "jp", "nl", "pl", "pt-br", "tr", "uk", "zh-cn"]);
+
+/**
+ * @param {string | undefined} locale
+ * @returns {string} path relative to /reticulum-docs/ (no leading slash)
+ */
+export function bundledReticulumDocsEntryPath(locale) {
+    const lang = (locale || "en").toLowerCase();
+    if (lang === "en") {
+        return "manual/index.html";
+    }
+    if (BUNDLED_RETICULUM_SITE_INDEX_LOCALES.has(lang)) {
+        return `index_${lang}.html`;
+    }
+    return "manual/index.html";
+}
+
+/**
+ * @param {string | undefined} locale
+ * @returns {string} absolute app path for the default bundled Reticulum docs view
+ */
+export function bundledReticulumDocsUrl(locale) {
+    return `/reticulum-docs/${bundledReticulumDocsEntryPath(locale)}`;
+}
diff --git a/tests/frontend/DocsPage.test.js b/tests/frontend/DocsPage.test.js
index 30ac00e..53baffa 100644
--- a/tests/frontend/DocsPage.test.js
+++ b/tests/frontend/DocsPage.test.js
@@ -95,7 +95,7 @@ describe("DocsPage.vue", () => {
         await nextTick();
 
         expect(wrapper.find("iframe").exists()).toBe(true);
-        expect(wrapper.find("iframe").attributes("src")).toBe("/reticulum-docs/index.html");
+        expect(wrapper.find("iframe").attributes("src")).toBe("/reticulum-docs/manual/index.html");
     });
 
     it("shows progress bar while extracting an upload", async () => {
@@ -197,7 +197,7 @@ describe("DocsPage.vue", () => {
         expect(wrapper.vm.status.last_error).toBeNull();
     });
 
-    it("changes localDocsUrl based on locale", async () => {
+    it("opens the Sphinx manual for English and localized site index for other locales", async () => {
         const wrapper = mountDocsPage();
         await nextTick();
 
@@ -207,7 +207,7 @@ describe("DocsPage.vue", () => {
 
         i18nMock.locale = "en";
         await nextTick();
-        expect(wrapper.vm.localDocsUrl).toBe("/reticulum-docs/index.html");
+        expect(wrapper.vm.localDocsUrl).toBe("/reticulum-docs/manual/index.html");
     });
 
     it("handles extremely long error messages in the UI", async () => {