diff --git a/.changeset/hip-ways-serve.md b/.changeset/hip-ways-serve.md
new file mode 100644
index 000000000..a108b2ab7
--- /dev/null
+++ b/.changeset/hip-ways-serve.md
@@ -0,0 +1,5 @@
+---
+'vite-plugin-kit-routes': patch
+---
+
+fix when route is starting with group
diff --git a/.changeset/pre.json b/.changeset/pre.json
index f22388144..f36f06d16 100644
--- a/.changeset/pre.json
+++ b/.changeset/pre.json
@@ -11,10 +11,5 @@
     "vite-plugin-watch-and-run": "1.4.3",
     "website": "1.1.2"
   },
-  "changesets": [
-    "little-crews-smell",
-    "poor-starfishes-complain",
-    "popular-trains-swim",
-    "tame-jars-chew"
-  ]
+  "changesets": []
 }
diff --git a/packages/vite-plugin-kit-routes/src/lib/ROUTES.ts b/packages/vite-plugin-kit-routes/src/lib/ROUTES.ts
index cb31d0f93..011d27c8b 100644
--- a/packages/vite-plugin-kit-routes/src/lib/ROUTES.ts
+++ b/packages/vite-plugin-kit-routes/src/lib/ROUTES.ts
@@ -6,6 +6,10 @@
 
 export const PAGES = {
   _ROOT: `/`,
+  subGroup: `/subGroup`,
+  subGroup2: (params: { first: string | number }) => {
+    return `/subGroup2${appendSp({ first: params.first })}`
+  },
   lang_contract: (params: { lang?: 'fr' | 'en' | 'hu' | 'at' | string } = {}) => {
     return `${params?.lang ? `/${params?.lang}` : ''}/contract`
   },
@@ -21,6 +25,9 @@ export const PAGES = {
   lang_gp_two: (params: { lang?: 'fr' | 'en' | 'hu' | 'at' | string } = {}) => {
     return `${params?.lang ? `/${params?.lang}` : ''}/gp/two`
   },
+  lang_main: (params: { lang?: 'fr' | 'en' | 'hu' | 'at' | string } = {}) => {
+    return `${params?.lang ? `/${params?.lang}` : ''}/main`
+  },
   lang_match_id_int: (params: {
     lang?: 'fr' | 'en' | 'hu' | 'at' | string
     id: string | number
@@ -128,10 +135,13 @@ const appendSp = (sp?: Record<string, string | number | undefined>) => {
 export type KIT_ROUTES = {
   PAGES: {
     _ROOT: never
+    subGroup: never
+    subGroup2: 'first'
     lang_contract: 'lang'
     lang_contract_id: 'lang' | 'id'
     lang_gp_one: 'lang'
     lang_gp_two: 'lang'
+    lang_main: 'lang'
     lang_match_id_int: 'lang' | 'id'
     lang_site: 'lang' | 'limit'
     lang_site_id: 'lang' | 'id' | 'limit' | 'demo'
@@ -144,6 +154,7 @@ export type KIT_ROUTES = {
     lang_site_contract_siteId_contractId: 'lang' | 'siteId' | 'contractId' | 'extra'
   }
   Params: {
+    first: never
     lang: never
     id: never
     limit: never
diff --git a/packages/vite-plugin-kit-routes/src/lib/plugin.ts b/packages/vite-plugin-kit-routes/src/lib/plugin.ts
index ac57e5165..025e3094a 100644
--- a/packages/vite-plugin-kit-routes/src/lib/plugin.ts
+++ b/packages/vite-plugin-kit-routes/src/lib/plugin.ts
@@ -114,13 +114,23 @@ function generated_file_path(options?: Options) {
   return options?.generated_file_path ?? 'src/lib/ROUTES.ts'
 }
 
+export function rmvGroups(key: string) {
+  let toRet = key
+    // rmv (groups)
+    .replace(/\([^)]*\)/g, '')
+    .replace(/\/+/g, '/')
+  return toRet
+}
+
 export function formatKey(key: string, options?: Options) {
+  let toRet = rmvGroups(key)
+
   if (options?.object_keys_format === undefined || options?.object_keys_format === '/') {
-    return key
+    return toRet
   }
 
   const toReplace = ['/', '[', ']', '(', ')', '-', '=']
-  let toRet = key
+  toRet = toRet
     .split('')
     .map(c => (toReplace.includes(c) ? '_' : c))
     .join('')
@@ -191,7 +201,7 @@ export const fileToMetadata = (
   options: Options | undefined,
   useWithAppendSp: boolean | undefined,
 ) => {
-  let toRet = original
+  let toRet = rmvGroups(original)
 
   const keyToUse = formatKey(original, options)
 
diff --git a/packages/vite-plugin-kit-routes/src/lib/plugins.spec.ts b/packages/vite-plugin-kit-routes/src/lib/plugins.spec.ts
index 72d54aa9c..caf914597 100644
--- a/packages/vite-plugin-kit-routes/src/lib/plugins.spec.ts
+++ b/packages/vite-plugin-kit-routes/src/lib/plugins.spec.ts
@@ -59,22 +59,36 @@ describe('vite-plugin-kit-routes', () => {
     `)
   })
 
-  it('formatKey new type', async () => {
+  it('formatKey default', async () => {
     expect(formatKey('/[param]site/[yop](group)/[id]')).toMatchInlineSnapshot(
-      '"/[param]site/[yop](group)/[id]"',
+      '"/[param]site/[yop]/[id]"',
     )
   })
 
-  it('formatKey group original', async () => {
+  it('formatKey /l', async () => {
     expect(
       formatKey('/[param]site/[yop](group)/[id]', { object_keys_format: '/' }),
-    ).toMatchInlineSnapshot('"/[param]site/[yop](group)/[id]"')
+    ).toMatchInlineSnapshot('"/[param]site/[yop]/[id]"')
+  })
+
+  it('formatKey _', async () => {
+    expect(
+      formatKey('/[param]site/[yop](group)/[id]', { object_keys_format: '_' }),
+    ).toMatchInlineSnapshot('"param_site_yop_id"')
+  })
+
+  it('formatKey / starting with group', async () => {
+    expect(formatKey('/(group)/test', { object_keys_format: '/' })).toMatchInlineSnapshot('"/test"')
+  })
+
+  it('formatKey _ starting with group', async () => {
+    expect(formatKey('/(group)/test', { object_keys_format: '_' })).toMatchInlineSnapshot('"test"')
   })
 
   it('formatKey group original', async () => {
     expect(
       formatKey('/[param]site/[yop](group)/[id]', { object_keys_format: '_' }),
-    ).toMatchInlineSnapshot('"param_site_yop_group_id"')
+    ).toMatchInlineSnapshot('"param_site_yop_id"')
   })
 
   it('formatKey ROOT', async () => {
diff --git a/packages/vite-plugin-kit-routes/src/routes/(rootGroup)/subGroup/+page.svelte b/packages/vite-plugin-kit-routes/src/routes/(rootGroup)/subGroup/+page.svelte
new file mode 100644
index 000000000..e69de29bb
diff --git a/packages/vite-plugin-kit-routes/src/routes/(rootGroup)/subGroup2/+page.svelte b/packages/vite-plugin-kit-routes/src/routes/(rootGroup)/subGroup2/+page.svelte
new file mode 100644
index 000000000..e69de29bb
diff --git a/packages/vite-plugin-kit-routes/src/routes/[[lang]]/+layout.svelte b/packages/vite-plugin-kit-routes/src/routes/+layout.svelte
similarity index 96%
rename from packages/vite-plugin-kit-routes/src/routes/[[lang]]/+layout.svelte
rename to packages/vite-plugin-kit-routes/src/routes/+layout.svelte
index 2f69c32ba..833af5b22 100644
--- a/packages/vite-plugin-kit-routes/src/routes/[[lang]]/+layout.svelte
+++ b/packages/vite-plugin-kit-routes/src/routes/+layout.svelte
@@ -26,7 +26,7 @@
 <hr />
 
 <ul>
-  <li><a href={PAGES.lang({ lang: $page.params.lang })}>Home</a></li>
+  <li><a href={PAGES._ROOT}>Home</a></li>
   <li><a href={PAGES.lang_site({ lang: $page.params.lang })}>Sites</a></li>
   <li>
     <a href={PAGES.lang_site({ lang: $page.params.lang, limit: 2 })}>Sites (with Search Param)</a>
@@ -64,7 +64,7 @@
     <a href={PAGES.lang_gp_one({ lang: $page.params.lang })}>gp One</a>
   </li>
   <li>
-    <a href={PAGES.lang_gp_two({ lang: $page.params.lang })}>gp One</a>
+    <a href={PAGES.lang_gp_two({ lang: $page.params.lang })}>gp Two</a>
   </li>
 </ul>
 
diff --git a/packages/vite-plugin-kit-routes/src/routes/+page.svelte b/packages/vite-plugin-kit-routes/src/routes/+page.svelte
index e69de29bb..22b9b04f9 100644
--- a/packages/vite-plugin-kit-routes/src/routes/+page.svelte
+++ b/packages/vite-plugin-kit-routes/src/routes/+page.svelte
@@ -0,0 +1,22 @@
+<script lang="ts">
+  import { PAGES } from '$lib/ROUTES.js'
+
+  const list = [
+    { lang: 'fr', caption: 'Français' },
+    { lang: 'en', caption: 'English' },
+    { lang: 'hu', caption: 'Magyar' },
+    { lang: 'at', caption: 'Deutsch' },
+  ].map(c => {
+    return { href: PAGES.lang_main({ lang: c.lang }), ...c }
+  })
+</script>
+
+<h2>Home</h2>
+
+<ul>
+  {#each list as { href, caption }}
+    <li>
+      <a {href}>{caption}</a>
+    </li>
+  {/each}
+</ul>
diff --git a/packages/vite-plugin-kit-routes/src/routes/[[lang]]/main/+page.svelte b/packages/vite-plugin-kit-routes/src/routes/[[lang]]/main/+page.svelte
new file mode 100644
index 000000000..93f1e02a7
--- /dev/null
+++ b/packages/vite-plugin-kit-routes/src/routes/[[lang]]/main/+page.svelte
@@ -0,0 +1,7 @@
+<script lang="ts">
+  import { page } from '$app/stores'
+</script>
+
+<h2>Main page from Lang</h2>
+
+{$page.params.lang}
diff --git a/packages/vite-plugin-kit-routes/src/routes/[[lang]]/site_contract/[siteId]-[contractId]/+page.svelte b/packages/vite-plugin-kit-routes/src/routes/[[lang]]/site_contract/[siteId]-[contractId]/+page.svelte
index 096461c1e..082a2f646 100644
--- a/packages/vite-plugin-kit-routes/src/routes/[[lang]]/site_contract/[siteId]-[contractId]/+page.svelte
+++ b/packages/vite-plugin-kit-routes/src/routes/[[lang]]/site_contract/[siteId]-[contractId]/+page.svelte
@@ -9,7 +9,7 @@
   const contractId = $page.params.contractId
 
   // 🤞 before, random string
-  // const action =  `/site_contract/${siteId}-${contractId}?/sendSomething`
+  // const action =  `/en/site_contract/${siteId}-${contractId}?/sendSomething`
 
   // ✅ after, all typed & make sure it exist. // 'vite-plugin-kit-routes',
   const action = ACTIONS.lang_site_contract_siteId_contractId('sendSomething', {
diff --git a/packages/vite-plugin-kit-routes/vite.config.ts b/packages/vite-plugin-kit-routes/vite.config.ts
index 3f30b890f..6b4ef6f68 100644
--- a/packages/vite-plugin-kit-routes/vite.config.ts
+++ b/packages/vite-plugin-kit-routes/vite.config.ts
@@ -18,6 +18,13 @@ export default defineConfig({
 
       extend: {
         PAGES: {
+          subGroup2: {
+            explicit_search_params: {
+              first: {
+                required: true,
+              },
+            },
+          },
           lang_site: {
             // extra_search_params: 'with',
             explicit_search_params: { limit: { type: 'number' } },
diff --git a/website/src/pages/docs/tools/06_vite-plugin-kit-routes.mdx b/website/src/pages/docs/tools/06_vite-plugin-kit-routes.mdx
index 98cbebec4..95c741039 100644
--- a/website/src/pages/docs/tools/06_vite-plugin-kit-routes.mdx
+++ b/website/src/pages/docs/tools/06_vite-plugin-kit-routes.mdx
@@ -2,41 +2,76 @@ import { Callout } from '@theguild/components'
 
 # ⚡How to - `vite-plugin-kit-routes`
 
-Never be out of sync with your routes again 🥳
+`vite-plugin-kit-routes` automatically updates route references in SvelteKit projects, crucial for
+large applications where manual tracking of route changes is error-prone. It simplifies development
+by ensuring all route links are consistent and up-to-date, saving time and preventing broken links.
 
-<Callout>It's very early, things might change! 😉</Callout>
+You will essentially have 3 objects at your disposal: `PAGES`, `SERVERS` and `ACTIONS` and instead
+of hardcode strings, you will use these objects that are always up to date with your routes.
 
-By default, no Configuration is needed, it will just infer as much as it can from your project. Then
-you will be able to narrow down types & search params.
+No more 🤞, now be confident ✅!
+
+By default, no Configuration is requiered. Just [Install](#installation) the plugin, and use objects
+available in your `$lib/ROUTES.ts` generated file _(always in sync)_.
 
 ## Examples
 
-```svelte filename="+page.svelte" {2, 9}
+```svelte filename="PAGES - First example" {2, 9}
+<script lang="ts">
+  import { PAGES } from '$lib/ROUTES'
+</script>
+
+<!-- 🤞 before, random string -->
+<a href="/terms-and-conditions">Terms</a>
+
+<!-- ✅ after, make sure it exist. // 'vite-plugin-kit-routes' -->
+<a href={PAGES['/terms-and-conditions']}>Terms</a>
+<!-- 
+   If you change location of `/terms-and-conditions/+page.svelte`: 
+     - the key '/terms-and-conditions' will not exist
+     - `PAGES` object will yield! 
+-->
+```
+
+```svelte filename="PAGES - With 1 route param" {2, 9}
 <script lang="ts">
   import { PAGES } from '$lib/ROUTES'
 </script>
 
 <!-- 🤞 before, random string -->
-<a href="/site_contract/{siteId}-{contractId}?limit={3}">Go to site</a>
+<a href="/site_contract/{siteId}">Go to site</a>
 
-<!-- ✅ after, all typed & make sure it exist. // 'vite-plugin-kit-routes', -->
-<a href={PAGES.site_contract_siteId_contractId({ siteId, contractId, limit: 3 })}>Go to site</a>
+<!-- ✅ after, all typed & make sure it exist. // 'vite-plugin-kit-routes' -->
+<a href={PAGES['/site_contract/{siteId}']({ siteId })}>Go to site</a>
 ```
 
-```svelte filename="+page.svelte" {4, 13}
+```svelte filename="PAGES - With 1 Search Param*" {2, 9}
+<script lang="ts">
+  import { PAGES } from '$lib/ROUTES'
+</script>
+
+<!-- 🤞 before, random string -->
+<a href="/site_contract/{siteId}?limit={3}">Go to site</a>
+
+<!-- ✅ after, all typed & make sure it exist. // 'vite-plugin-kit-routes' -->
+<a href={PAGES['/site_contract/{siteId}']({ siteId, limit: 3 })}>Go to site</a>
+```
+
+<em>* You can add a lot of configs to specify search params, types, ...</em>
+
+```svelte filename="ACTIONS - With a named action" {4, 12}
 <script lang="ts">
   import { enhance } from '$app/forms'
   import { page } from '$app/stores'
   import { ACTIONS } from '$lib/ROUTES'
 
   const siteId = $page.params.siteId
-  const contractId = $page.params.contractId
 
   // 🤞 before, random string
-  const action =  `/site_contract/${siteId}-${contractId}?/sendSomething`
+  const action =  `/site_contract/${siteId}?/sendSomething`
 
   // ✅ after, all typed & make sure it exist. // 'vite-plugin-kit-routes',
-  const action = ACTIONS.site_contract_siteId_contractId('sendSomething', { siteId, contractId })
+  const action = ACTIONS['/site_contract/${siteId}']('sendSomething', { siteId })
 </script>
 
 <form method="POST" use:enhance {action}>
@@ -54,13 +89,15 @@ npm i -D vite-plugin-kit-routes
 
 Add the plugin like this:
 
-```js filename="vite.config.js"
+```js filename="vite.config.js" {2, 9}
+import { sveltekit } from '@sveltejs/kit/vite'
 import { kitRoutes } from 'vite-plugin-kit-routes'
 
 /** @type {import('vite').UserConfig} */
 const config = {
   plugins: [
-    // This is the plugin to add
+    sveltekit(),
+    // ✅ Add the plugin
     kitRoutes()
   ]
 }
@@ -68,12 +105,25 @@ const config = {
 export default config
 ```
 
-It will create a file `./src/lib/ROUTES.ts` at the start of your dev server & any update of any of
+It will generate a file `./src/lib/ROUTES.ts` at the start of your dev server & any update of any of
 your `+page.svelte` | `+server.ts` | `+page.server.ts`.
 
 ## Side Notes
 
-- You can run prettier at the end of the process with something like:
+<Callout>You can make use of `ctrl + space` to discover config options. 🎉</Callout>
+
+- What kind of person are you: `PAGES['/terms']` or `PAGES.terms` ?
+
+_You can choose anyway 😜_
+
+```ts filename="vite.config.ts"
+kitRoutes({
+  // object_keys_format: '/' (default)
+  object_keys_format: '_'
+})
+```
+
+- You like nice and formated files? You can add **any** cmd after the generation
 
 ```ts filename="vite.config.ts"
 kitRoutes({
@@ -114,7 +164,7 @@ kitRoutes({
 })
 ```
 
-- Then, you can add the `KIT_ROUTES` type... It will be crazy good!
+- Then, you can add the `KIT_ROUTES` type... It will be crazy good! I'm not sure you are ready!
 
 ```ts filename="vite.config.ts"
 import type { KIT_ROUTES } from '$lib/ROUTES'
@@ -124,3 +174,8 @@ kitRoutes<KIT_ROUTES>({
   // Conf
 })
 ```
+
+---
+
+Let me know what I forgot to add on [TwiX](https://twitter.com/jycouet), or what you would like to
+see in the future. 🙏