diff --git a/README.md b/README.md
index 01159cc..b275343 100644
--- a/README.md
+++ b/README.md
@@ -10,22 +10,21 @@ After activation of this extension, on each saving of a C file, a formal verific
 
 ## Requirements
 
-Connection to a public server running Ultimate Automizer, e.g. https://monteverdi.informatik.uni-freiburg.de/ 
+Connection to a public server running Ultimate Automizer, e.g. <https://monteverdi.informatik.uni-freiburg.de/>.
 
 Alternatively a container providing the API can be executed inside Docker.
 
-<!-- ## Extension Settings
-
-Include if your extension adds any VS Code settings through the `contributes.configuration` extension point.
-
-For example:
+## Extension Settings
 
 This extension contributes the following settings:
 
-* `myExtension.enable`: Enable/disable this extension.
-* `myExtension.thing`: Set to `blah` to do something.
+* `ultimate.mode`: `"REST API"`/`"stdout"` to specify if Ultimate will be accessed by accessing a REST API or the output of the command line.
+* `ultimate.url`: Base URL of the REST API endpoint.
+* `ultimate.executablePath`: Path to the executable of Ultimate is NOT accessed by the REST API. This can either be Ultimate itself or the [wrapper script for MacOS](https://github.com/FahrJo/ultimate-automizer-docker).
+* `ultimate.settingsPath`: Path to the settings (*.epl) of Ultimate is not accessed by the REST API.
+* `ultimate.toolchainPath`: Path to the toolchain (*.xml) of Ultimate is NOT accessed by the REST API.
 
-## Known Issues
+<!--## Known Issues
 
 Calling out known issues can help limit users opening duplicate issues against your extension.
 
diff --git a/package.json b/package.json
index f89cb9e..7509b71 100644
--- a/package.json
+++ b/package.json
@@ -61,12 +61,12 @@
                 "ultimate.settingsPath": {
                     "type": "string",
                     "default": "",
-                    "description": "Path to the settings of Ultimate is not accessed by the REST API."
+                    "description": "Path to the settings (*.epl) of Ultimate is not accessed by the REST API."
                 },
                 "ultimate.toolchainPath": {
                     "type": "string",
                     "default": "",
-                    "description": "Path to the toolchain of Ultimate is not accessed by the REST API."
+                    "description": "Path to the toolchain (*.xml) of Ultimate is not accessed by the REST API."
                 }
             }
         }
diff --git a/src/ultimateByLog.ts b/src/ultimateByLog.ts
index bda020f..7c6e9dc 100644
--- a/src/ultimateByLog.ts
+++ b/src/ultimateByLog.ts
@@ -56,7 +56,7 @@ export class UltimateByLog extends UltimateBase {
             // prettier-ignore
             let commandArgs = [
                 '-s', this.settingsFilePath.fsPath,
-                '-t', this.toolchainFilePath.fsPath,
+                '-tc', this.toolchainFilePath.fsPath,
                 '-i', document.uri.fsPath,
             ];
             let ultimateOutput = '';