diff --git a/docs/config/index.md b/docs/config/index.md
index 0b817ef97..9ff794c8c 100644
--- a/docs/config/index.md
+++ b/docs/config/index.md
@@ -547,7 +547,7 @@ export default defineConfig({
 
 ### poolMatchGlobs
 
-- **Type:** `[string, 'threads' | 'forks' | 'VmThreads'][]`
+- **Type:** `[string, 'threads' | 'forks' | 'vmThreads'][]`
 - **Default:** `[]`
 - **Version:** Since Vitest 0.29.4
 
@@ -1327,7 +1327,7 @@ Run the browser in a `headless` mode. If you are running Vitest in CI, it will b
 
 - **Type:** `boolean`
 - **Default:** `true`
-- **CLI:** `--browser`, `--browser.isolate=false`
+- **CLI:** `--browser.isolate`, `--browser.isolate=false`
 
 Isolate test environment after each test.
 
diff --git a/packages/vitest/src/node/pools/child.ts b/packages/vitest/src/node/pools/child.ts
index 8b97ea69e..1c107a802 100644
--- a/packages/vitest/src/node/pools/child.ts
+++ b/packages/vitest/src/node/pools/child.ts
@@ -84,7 +84,7 @@ export function createChildProcessPool(ctx: Vitest, { execArgv, env }: PoolProce
     options.concurrentTasksPerWorker = 1
   }
 
-  if (ctx.config.poolOptions?.threads?.singleThread) {
+  if (ctx.config.poolOptions?.forks?.singleFork) {
     options.concurrentTasksPerWorker = 1
     options.maxThreads = 1
     options.minThreads = 1