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Co-authored-by: Nicolas Setton <setton@adacore.com>

Author: setton

README.md

@@ -25,9 +25,11 @@ For Ada/SPARK, we provide the following:
 
 The Ada Language Server now also supports the GPR language, via the
 `--language-gpr` option, providing support for the most used LSP features
-such as navigation, outline and tooltips for GPR files. You can refer to
-the [Supported LSP Server Requests](#supported-lsp-server-requests) section for more
-information.
+such as navigation, outline and tooltips for GPR files. When this switch is
+present, the server will only support GPR files. To support both GPR and
+Ada/SPARK, you'll need to launch two instances of the server.
+You can refer to the [Supported LSP Server Requests](#supported-lsp-server-requests) 
+section for more information.
 
 We also provide [Visual Studio Code](https://code.visualstudio.com/)
 extension at