diff --git a/actions-languageservice/src/utils/transform.test.ts b/actions-languageservice/src/utils/transform.test.ts
index b4200bd..ba4d85d 100644
--- a/actions-languageservice/src/utils/transform.test.ts
+++ b/actions-languageservice/src/utils/transform.test.ts
@@ -14,7 +14,7 @@ jobs:
   });
 
   it("adds : at end of line with trailing comment", () => {
-    const [doc, pos] = getPositionFromCursor("on: push\njobs:\n  build:\n    runs-on| \n#");
+    const [doc, pos] = getPositionFromCursor("on: push\njobs:\n  build:\n    runs-on|\n#");
     const [newDoc, newPos] = transform(doc, pos);
 
     expect(newDoc.getText()).toEqual(`on: push
diff --git a/actions-languageservice/src/utils/transform.ts b/actions-languageservice/src/utils/transform.ts
index a6c831d..015f709 100644
--- a/actions-languageservice/src/utils/transform.ts
+++ b/actions-languageservice/src/utils/transform.ts
@@ -46,7 +46,7 @@ export function transform(doc: TextDocument, pos: Position): [TextDocument, Posi
         offset++;
       } else if (!trimmedLine.startsWith("-")) {
         // Add `:` to end of line
-        line = line.trimEnd() + ":";
+        line = line + ":";
       }
     } else {
       offset = offset - 1;