document feature flags

1 files changed, 11 insertions, 2 deletions

diff --git a/docs/user/README.md b/docs/user/README.md
index f1628d6a4..a1cef22cc 100644
--- a/docs/user/README.md
+++ b/docs/user/README.md
@@ -83,8 +83,6 @@ host.
 ### Settings
 
 * `rust-analyzer.highlightingOn`: enables experimental syntax highlighting
-* `rust-analyzer.showWorkspaceLoadedNotification`: to ease troubleshooting, a
-  notification is shown by default when a workspace is loaded
 * `rust-analyzer.enableEnhancedTyping`: by default, rust-analyzer intercepts
   `Enter` key to make it easier to continue comments. Note that it may conflict with VIM emulation plugin.
 * `rust-analyzer.raLspServerPath`: path to `ra_lsp_server` executable
@@ -102,6 +100,17 @@ host.
 * `rust-analyzer.trace.server`: enables internal logging
 * `rust-analyzer.trace.cargo-watch`: enables cargo-watch logging
 * `RUST_SRC_PATH`: environment variable that overwrites the sysroot
+* `rust-analyzer.featureFlags` -- a JSON object to tweak fine-grained behavior:
+   ```js
+   {
+       // Show diagnostics produced by rust-analyzer itself.
+       "lsp.diagnostics": true,
+       // Automatically insert `()` and `<>` when completing functions and types.
+       "completion.insertion.add-call-parenthesis": true,
+       // Show notification when workspace is fully loaded
+       "notifications.workspace-loaded": true,
+   }
+   ```
 
 
 ## Emacs