diff --git a/crates/rust-analyzer/src/config.rs b/crates/rust-analyzer/src/config.rs
index 6f532e422488..74ba183f97dd 100644
--- a/crates/rust-analyzer/src/config.rs
+++ b/crates/rust-analyzer/src/config.rs
@@ -662,7 +662,7 @@ config_data! {
         /// For traits the type "methods" can be used to only exclude the methods but not the trait
         /// itself.
         ///
-        /// For modules the type "subItems" can be used to only exclude the all items in it but not the module
+        /// For modules the type "sub_items" can be used to only exclude the all items in it but not the module
         /// itself. This does not include items defined in nested modules.
         ///
         /// This setting also inherits `#rust-analyzer.completion.excludeTraits#`.
@@ -4135,7 +4135,7 @@ fn field_props(field: &str, ty: &str, doc: &[&str], default: &str) -> serde_json
                             },
                             "type": {
                                 "type": "string",
-                                "enum": ["always", "methods", "subItems"],
+                                "enum": ["always", "methods", "sub_items"],
                                 "enumDescriptions": [
                                     "Do not show this item or its methods (if it is a trait) in auto-import completions.",
                                     "Do not show this trait's methods in auto-import completions.",
diff --git a/docs/book/src/configuration_generated.md b/docs/book/src/configuration_generated.md
index 7bbb9e025816..bc5ef9e96c02 100644
--- a/docs/book/src/configuration_generated.md
+++ b/docs/book/src/configuration_generated.md
@@ -446,7 +446,7 @@ verbose form `{ "path": "path::to::item", type: "always" }`.
 For traits the type "methods" can be used to only exclude the methods but not the trait
 itself.
 
-For modules the type "subItems" can be used to only exclude the all items in it but not the module
+For modules the type "sub_items" can be used to only exclude the all items in it but not the module
 itself. This does not include items defined in nested modules.
 
 This setting also inherits `#rust-analyzer.completion.excludeTraits#`.
diff --git a/editors/code/package.json b/editors/code/package.json
index 8df606d4c4ca..9ca1e80c6ac7 100644
--- a/editors/code/package.json
+++ b/editors/code/package.json
@@ -1328,7 +1328,7 @@
                 "title": "Completion",
                 "properties": {
                     "rust-analyzer.completion.autoimport.exclude": {
-                        "markdownDescription": "A list of full paths to items to exclude from auto-importing completions.\n\nTraits in this list won't have their methods suggested in completions unless the trait\nis in scope.\n\nYou can either specify a string path which defaults to type \"always\" or use the more\nverbose form `{ \"path\": \"path::to::item\", type: \"always\" }`.\n\nFor traits the type \"methods\" can be used to only exclude the methods but not the trait\nitself.\n\nFor modules the type \"subItems\" can be used to only exclude the all items in it but not the module\nitself. This does not include items defined in nested modules.\n\nThis setting also inherits `#rust-analyzer.completion.excludeTraits#`.",
+                        "markdownDescription": "A list of full paths to items to exclude from auto-importing completions.\n\nTraits in this list won't have their methods suggested in completions unless the trait\nis in scope.\n\nYou can either specify a string path which defaults to type \"always\" or use the more\nverbose form `{ \"path\": \"path::to::item\", type: \"always\" }`.\n\nFor traits the type \"methods\" can be used to only exclude the methods but not the trait\nitself.\n\nFor modules the type \"sub_items\" can be used to only exclude the all items in it but not the module\nitself. This does not include items defined in nested modules.\n\nThis setting also inherits `#rust-analyzer.completion.excludeTraits#`.",
                         "default": [
                             {
                                 "path": "core::borrow::Borrow",
@@ -1356,7 +1356,7 @@
                                             "enum": [
                                                 "always",
                                                 "methods",
-                                                "subItems"
+                                                "sub_items"
                                             ],
                                             "enumDescriptions": [
                                                 "Do not show this item or its methods (if it is a trait) in auto-import completions.",