diff --git a/examples/postgres/custom_arrays/README.md b/examples/postgres/custom_arrays/README.md
index 57b794072689..cdb3c36d00c0 100644
--- a/examples/postgres/custom_arrays/README.md
+++ b/examples/postgres/custom_arrays/README.md
@@ -605,7 +605,7 @@ pub struct CreateService {
 }
 
 #[derive(Debug, Clone, Queryable, Insertable, AsChangeset)]
-#[diesel(table_name= crate::schema::smdb::service)]
+#[diesel(table_name = crate::schema::smdb::service)]
 pub struct UpdateService {
     pub name: Option<String>,
     pub version: Option<i32>,