fix error message for when DidChangeTextDocument path doesn't exist

diff --git a/crates/rust-analyzer/src/main_loop.rs b/crates/rust-analyzer/src/main_loop.rs
index ad43e7eca0e5b38cc0c0fbda99fbeeb6d937e626..0d72f6ec97f623f03038d4e8c5af7ed954af64fe 100644 (file)
--- a/crates/rust-analyzer/src/main_loop.rs
+++ b/crates/rust-analyzer/src/main_loop.rs
@@ -660,7 +660,7 @@ fn on_notification(&mut self, not: Notification) -> Result<()> {
                             doc.version = params.text_document.version;
                         }
                         None => {
-                            tracing::error!("expected DidChangeTextDocument: {}", path);
+                            tracing::error!("unexpected DidChangeTextDocument: {}; send DidOpenTextDocument first", path);
                             return Ok(());
                         }
                     };