diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 056fe94..7231ab8 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -60,6 +60,8 @@
   summaries.
 - Startup CLI help and option error formats now use the shared
   localized-string helper and English fallback path.
+- The concise `:help` manual text now uses the shared localized-string helper
+  around the command-catalog rows.
 - Documented i18n and user-facing text rules for English-first source text,
   stable command syntax, concise help copy, and translation-only localization.
 
diff --git a/src/manual_text.c b/src/manual_text.c
index b066e64..0887b72 100644
--- a/src/manual_text.c
+++ b/src/manual_text.c
@@ -1,51 +1,50 @@
 #include "manual_text.h"
 
 #include "command_catalog.h"
+#include "i18n.h"
 
 void manual_text_append_interactive(char *buffer, size_t buf_size,
                                     size_t *pos, ui_lang_t lang) {
-    if (lang == UI_LANG_ZH) {
-        buffer_appendf(buffer, buf_size, pos,
-                       "\033[1;36mTNT(1) 帮助\033[0m\n"
-                       "\n"
-                       "\033[1;37m名称\033[0m\n"
-                       "  TNT - SSH 终端聊天室\n"
-                       "\n"
-                       "\033[1;37m使用\033[0m\n"
-                       "  输入消息并 Enter 发送；Esc 浏览历史；G 最新；i 输入\n"
-                       "  : 运行命令；? 打开完整按键参考\n"
-                       "\n"
-                       "\033[1;37m命令\033[0m\n");
-        command_catalog_append_manual(buffer, buf_size, pos, lang);
-        buffer_appendf(buffer, buf_size, pos,
-                       "\n"
-                       "\033[1;37m语言\033[0m\n"
-                       "  :lang                  显示当前语言\n"
-                       "  :lang en|zh            切换语言\n"
-                       "\n"
-                       "\033[1;37m参见\033[0m\n"
-                       "  ?                      完整按键参考\n");
-        return;
-    }
+    static const i18n_string_t intro = I18N_STRING(
+        "\033[1;36mTNT(1) help\033[0m\n"
+        "\n"
+        "\033[1;37mName\033[0m\n"
+        "  TNT - SSH terminal chat room\n"
+        "\n"
+        "\033[1;37mUse\033[0m\n"
+        "  Type a message and press Enter; Esc browses; G latest; i types\n"
+        "  : runs commands; ? opens the full key reference\n"
+        "\n"
+        "\033[1;37mCommands\033[0m\n",
+        "\033[1;36mTNT(1) 帮助\033[0m\n"
+        "\n"
+        "\033[1;37m名称\033[0m\n"
+        "  TNT - SSH 终端聊天室\n"
+        "\n"
+        "\033[1;37m使用\033[0m\n"
+        "  输入消息并 Enter 发送；Esc 浏览历史；G 最新；i 输入\n"
+        "  : 运行命令；? 打开完整按键参考\n"
+        "\n"
+        "\033[1;37m命令\033[0m\n"
+    );
+    static const i18n_string_t outro = I18N_STRING(
+        "\n"
+        "\033[1;37mLanguage\033[0m\n"
+        "  :lang                  show current language\n"
+        "  :lang en|zh            switch language\n"
+        "\n"
+        "\033[1;37mSee also\033[0m\n"
+        "  ?                      full key reference\n",
+        "\n"
+        "\033[1;37m语言\033[0m\n"
+        "  :lang                  显示当前语言\n"
+        "  :lang en|zh            切换语言\n"
+        "\n"
+        "\033[1;37m参见\033[0m\n"
+        "  ?                      完整按键参考\n"
+    );
 
-    buffer_appendf(buffer, buf_size, pos,
-                   "\033[1;36mTNT(1) help\033[0m\n"
-                   "\n"
-                   "\033[1;37mName\033[0m\n"
-                   "  TNT - SSH terminal chat room\n"
-                   "\n"
-                   "\033[1;37mUse\033[0m\n"
-                   "  Type a message and press Enter; Esc browses; G latest; i types\n"
-                   "  : runs commands; ? opens the full key reference\n"
-                   "\n"
-                   "\033[1;37mCommands\033[0m\n");
+    buffer_appendf(buffer, buf_size, pos, "%s", i18n_string(intro, lang));
     command_catalog_append_manual(buffer, buf_size, pos, lang);
-    buffer_appendf(buffer, buf_size, pos,
-                   "\n"
-                   "\033[1;37mLanguage\033[0m\n"
-                   "  :lang                  show current language\n"
-                   "  :lang en|zh            switch language\n"
-                   "\n"
-                   "\033[1;37mSee also\033[0m\n"
-                   "  ?                      full key reference\n");
+    buffer_appendf(buffer, buf_size, pos, "%s", i18n_string(outro, lang));
 }
diff --git a/tests/unit/test_manual_text.c b/tests/unit/test_manual_text.c
index cec002d..cc00e71 100644
--- a/tests/unit/test_manual_text.c
+++ b/tests/unit/test_manual_text.c
@@ -48,6 +48,11 @@ TEST(interactive_manual_matches_language) {
     assert(strstr(en, ":commands") == NULL);
     assert(count_lines(en) <= 20);
 
+    memset(en, 0, sizeof(en));
+    en_pos = 0;
+    manual_text_append_interactive(en, sizeof(en), &en_pos, (ui_lang_t)99);
+    assert(strstr(en, "TNT(1) help") != NULL);
+
     assert(strstr(zh, "TNT(1) 帮助") != NULL);
     assert(strstr(zh, "使用") != NULL);
     assert(strstr(zh, "命令") != NULL);