1 files changed, 2 insertions, 2 deletions

diff --git a/language-web/src/main/js/xtext/ContentAssistService.ts b/language-web/src/main/js/xtext/ContentAssistService.ts
index 8461ec7f..f085c5b1 100644
--- a/language-web/src/main/js/xtext/ContentAssistService.ts
+++ b/language-web/src/main/js/xtext/ContentAssistService.ts
@@ -61,9 +61,9 @@ function computeSpan(prefix: string, entryCount: number) {
 }
 
 export class ContentAssistService {
-  updateService: UpdateService;
+  private readonly updateService: UpdateService;
 
-  lastCompletion: CompletionResult | null = null;
+  private lastCompletion: CompletionResult | null = null;
 
   constructor(updateService: UpdateService) {
     this.updateService = updateService;