[docs] Update docs

Author: ericdallo

README.md

@@ -182,7 +182,7 @@ lsp-dart supports running Flutter and Dart commands as following:
 | `lsp-dart-show-todos`                            | Whether to generate diagnostics for TODO comments. If unspecified, diagnostics will not be generated.                                                                                | `nil`             |
 | `lsp-dart-complete-function-calls`               | Completes functions/methods with their required parameters.                                                                                                                          | `t`               |
 | `lsp-dart-extra-library-directories`             | Extra libs to analyze besides Dart SDK libs                                                                                                                                          | `'()`             |
-| `lsp-dart-only-analyze-projects-with-open-files` | Analysis will only be performed for projects that have open files rather than the root workspace folder                                                                              | `t`               |
+| `lsp-dart-only-analyze-projects-with-open-files` | Analysis will only be performed for projects that have open files rather than the root workspace folder                                                                              | `nil`               |
 | `lsp-dart-suggest-from-unimported-libraries`     | Completion will not include symbols that are not already imported into the current file.                                                                                             | `t`               |
 | `lsp-dart-closing-labels`                        | Enable the closing labels feature on server lsp                                                                                                                                      | `t`               |
 | `lsp-dart-closing-labels-prefix`                 | The prefix string to be concatenated with the closing label                                                                                                                          | `""`              |