diff --git a/Configurations.md b/Configurations.md
index 5d8704ed779..1df79daf798 100644
--- a/Configurations.md
+++ b/Configurations.md
@@ -2841,8 +2841,10 @@ See also [`max_width`](#max_width) and [`use_small_heuristics`](#use_small_heuri
 Controls the edition of the [Rust Style Guide] to use for formatting ([RFC 3338])
 
 - **Default value**: `"2015"`
-- **Possible values**: `"2015"`, `"2018"`, `"2021"`, `"2024"` (unstable variant)
-- **Stable**: No
+- **Possible values**:
+  - Stable values: `"2015"`, `"2018"`, `"2021"`, `"2024"`
+  - Unstable values: `"2027"`
+- **Stable**: Yes
 
 This option is inferred from the [`edition`](#edition) if not specified.