diff --git a/src/material/radio/radio.md b/src/material/radio/radio.md
index 0e978b65093..f89cd669577 100644
--- a/src/material/radio/radio.md
+++ b/src/material/radio/radio.md
@@ -39,8 +39,8 @@ Radio button groups should be given a meaningful label via `aria-label` or `aria
 The default color for radio buttons can be configured globally using the `MAT_RADIO_DEFAULT_OPTIONS` provider
 
 ```
-providers: [
+providers: [{
     provide: MAT_RADIO_DEFAULT_OPTIONS,
     useValue: { color: 'accent' },
-]
+}]
 ```
\ No newline at end of file