diff --git a/README.md b/README.md
index 8e02d6ec1..2ebb0f05b 100644
--- a/README.md
+++ b/README.md
@@ -66,8 +66,8 @@ from the Language Server (in notebook).
 If the kernel is too slow to respond promptly only the Language Server suggestions will be shown (default threshold: 0.6s).
 You can configure the completer to not attempt to fetch the kernel completions if the kernel is busy (skipping the 0.6s timeout).
 
-You can deactivate the kernel suggestions by adding `"kenel"` to the `disableCompletionsFrom` in the `completion` section
-of _Advanced Settings_. Alternatively if you _only_ want kernel completions you can add `"languageServer"` to the same
+You can deactivate the kernel suggestions by adding `"Kernel"` to the `disableCompletionsFrom` in the `completion` section
+of _Advanced Settings_. Alternatively if you _only_ want kernel completions you can add `"LSP"` to the same
 setting; Or add both if you like to code in hardcore mode and get no completions, or if another provider has been added.
 
 ### Rename
diff --git a/packages/jupyterlab-lsp/src/features/completion/completion_handler.ts b/packages/jupyterlab-lsp/src/features/completion/completion_handler.ts
index 360af7d59..0323b0a28 100644
--- a/packages/jupyterlab-lsp/src/features/completion/completion_handler.ts
+++ b/packages/jupyterlab-lsp/src/features/completion/completion_handler.ts
@@ -81,7 +81,7 @@ export class LSPConnector
   protected get use_lsp_completions(): boolean {
     return (
       this.options.settings.composite.disableCompletionsFrom.indexOf(
-        'languageServer'
+        'LSP'
       ) == -1
     );
   }
@@ -89,7 +89,7 @@ export class LSPConnector
   protected get use_kernel_completions(): boolean {
     return (
       this.options.settings.composite.disableCompletionsFrom.indexOf(
-        'kernel'
+        'Kernel'
       ) == -1
     );
   }