diff --git a/crates/cli-support/src/js/mod.rs b/crates/cli-support/src/js/mod.rs
index 01be0b69e..93b818a2d 100644
--- a/crates/cli-support/src/js/mod.rs
+++ b/crates/cli-support/src/js/mod.rs
@@ -1881,9 +1881,9 @@ impl<'a, 'b> SubContext<'a, 'b> {
                                         class, location, s,
                                     )
                                 }
-                                shared::OperationKind::IndexingGetter => panic!("getter should be structural"),
-                                shared::OperationKind::IndexingSetter => panic!("setter should be structural"),
-                                shared::OperationKind::IndexingDeleter => panic!("deleter should be structural"),
+                                shared::OperationKind::IndexingGetter => panic!("indexing getter should be structural"),
+                                shared::OperationKind::IndexingSetter => panic!("indexing setter should be structural"),
+                                shared::OperationKind::IndexingDeleter => panic!("indexing deleter should be structural"),
                             }
                         };
 
diff --git a/crates/webidl/src/util.rs b/crates/webidl/src/util.rs
index dff5206ea..554f90f0b 100644
--- a/crates/webidl/src/util.rs
+++ b/crates/webidl/src/util.rs
@@ -973,9 +973,9 @@ impl<'src> FirstPassRecord<'src> {
                     mdn_doc(self_name, Some(&name))
                 )
             ),
-            ::first_pass::OperationId::IndexingGetter => Some("The getter\n\n".to_string()),
-            ::first_pass::OperationId::IndexingSetter => Some("The setter\n\n".to_string()),
-            ::first_pass::OperationId::IndexingDeleter => Some("The deleter\n\n".to_string()),
+            ::first_pass::OperationId::IndexingGetter => Some("The indexing getter\n\n".to_string()),
+            ::first_pass::OperationId::IndexingSetter => Some("The indexing setter\n\n".to_string()),
+            ::first_pass::OperationId::IndexingDeleter => Some("The indexing deleter\n\n".to_string()),
         };
 
         self.create_function(
diff --git a/guide/src/design/import-customization.md b/guide/src/design/import-customization.md
index fed2fe9ed..7deafd685 100644
--- a/guide/src/design/import-customization.md
+++ b/guide/src/design/import-customization.md
@@ -129,13 +129,14 @@ possibilities!
   an object we can use the `structural` flag.
 
 * `indexing_getter`, `indexing_setter` and `indexing_deleter` - these three
-  attributes can be combined with `method` to indicate that this is a getter,
-  setter or deleter method. They are different from `getter` and `setter` in a
-  way that `getter` and `setter` can only access properties that have a name
-  corresponding to the function name or their argument, but `indexing_getter`,
-  `indexing_setter` and `indexing_deleter` work in a dynamic manner, similarly
-  to the indexing syntax in JS (`object[propertyName]`), hence the name. Should
-  always be used together with the `structural` flag. For example:
+  attributes can be combined with `method` to indicate that this is a indexing
+  getter, indexing setter or indexing deleter method. They are different from
+  `getter` and `setter` in a way that `getter` and `setter` can only access
+  properties that have a name corresponding to the function name or their
+  argument, but `indexing_getter`, `indexing_setter` and `indexing_deleter`
+  work in a dynamic manner, similarly to the indexing syntax in JS
+  (`object[propertyName]`), hence the name. Should always be used together with
+  the `structural` flag. For example:
 
   ```rust
   #[wasm_bindgen]