diff --git a/book/src/configuration.md b/book/src/configuration.md
index bf31499374e8..e2dfc89efc3d 100644
--- a/book/src/configuration.md
+++ b/book/src/configuration.md
@@ -305,7 +305,7 @@ Example:
 min-width = 1
 ```
 
-#### `[editor.gutters.diagnotics]` Section
+#### `[editor.gutters.diagnostics]` Section
 
 Currently unused