diff --git a/src/module.ts b/src/module.ts
index c482b76ab..fc7565151 100644
--- a/src/module.ts
+++ b/src/module.ts
@@ -279,8 +279,9 @@ export default defineNuxtModule<ModuleOptions>({
         // TODO: remove kit usage
         templateUtils.importSources(contentContext.transformers),
         `const transformers = [${contentContext.transformers.map(templateUtils.importName).join(', ')}]`,
-        'export const getParser = (ext) => transformers.find(p => ext.match(new RegExp(p.extensions.join("|"),  "i")) && p.parse)',
-        'export const getTransformers = (ext) => transformers.filter(p => ext.match(new RegExp(p.extensions.join("|"),  "i")) && p.transform)',
+        'const matchExtensionPattern = (p) => new RegExp((p.extensions || p.extentions).join("|"),  "i")',
+        'export const getParser = (ext) => transformers.find(p => ext.match(matchExtensionPattern(p)) && p.parse)',
+        'export const getTransformers = (ext) => transformers.filter(p => ext.match(matchExtensionPattern(p)) && p.transform)',
         'export default () => {}'
       ].join('\n')
     })
diff --git a/src/runtime/types.d.ts b/src/runtime/types.d.ts
index f039f90ea..ad2567410 100644
--- a/src/runtime/types.d.ts
+++ b/src/runtime/types.d.ts
@@ -135,6 +135,10 @@ export interface MarkdownParsedContent extends ParsedContent {
 
 export interface ContentTransformer {
   name: string
+  /**
+   * @deprecated Misspelled, use `extensions`
+   */
+  extentions: string[]
   extensions: string[]
   parse?(id: string, content: string): Promise<ParsedContent> | ParsedContent
   transform?: ((content: ParsedContent) => Promise<ParsedContent>) | ((content: ParsedContent) => ParsedContent)
diff --git a/test/basic.test.ts b/test/basic.test.ts
index 2064225f6..86e8168ee 100644
--- a/test/basic.test.ts
+++ b/test/basic.test.ts
@@ -117,7 +117,10 @@ describe('fixtures:basic', async () => {
   testJSONParser()
 
   testPathMetaTransformer()
-
+  test('transformers:custom', async () => {
+    const index = await fetchDocument('content:index.md')
+    expect(index._customTransformed).toBeTruthy()
+  })
   // testMDCComponent()
 
   testRegex()
diff --git a/test/fixtures/basic/addons/custom-transformer.ts b/test/fixtures/basic/addons/custom-transformer.ts
new file mode 100644
index 000000000..2cdf3e406
--- /dev/null
+++ b/test/fixtures/basic/addons/custom-transformer.ts
@@ -0,0 +1,11 @@
+import { ContentTransformer } from '../../../../src/runtime/types'
+
+export default <ContentTransformer> {
+  name: 'custom-transformer',
+  // note this is using the deprecated `extentions` as a test
+  extentions: ['.*'],
+  transform (content) {
+    content._customTransformed = true
+    return content
+  }
+}
diff --git a/test/fixtures/basic/modules/content-helper.ts b/test/fixtures/basic/modules/content-helper.ts
new file mode 100644
index 000000000..81d38d547
--- /dev/null
+++ b/test/fixtures/basic/modules/content-helper.ts
@@ -0,0 +1,13 @@
+import { createResolver, defineNuxtModule, useNuxt } from '@nuxt/kit'
+
+export default defineNuxtModule({
+  setup () {
+    const nuxt = useNuxt()
+
+    const resolver = createResolver(import.meta.url)
+
+    nuxt.hooks.hook('content:context', (ctx) => {
+      ctx.transformers.push(resolver.resolve('../addons/custom-transformer'))
+    })
+  }
+})
diff --git a/test/fixtures/basic/nuxt.config.ts b/test/fixtures/basic/nuxt.config.ts
index d06739c2c..dd4fe3f65 100644
--- a/test/fixtures/basic/nuxt.config.ts
+++ b/test/fixtures/basic/nuxt.config.ts
@@ -16,7 +16,10 @@ export default defineNuxtConfig({
       }
     ]
   },
-  buildModules: [contentModule],
+  buildModules: [
+    '~/modules/content-helper',
+    contentModule
+  ],
   content: {
     locales: ['en', 'fa'],
     sources: [