diff --git a/tests/baselines/reference/api/tsserverlibrary.d.ts b/tests/baselines/reference/api/tsserverlibrary.d.ts
index 6f62203f0b7..f6bc5e75781 100644
--- a/tests/baselines/reference/api/tsserverlibrary.d.ts
+++ b/tests/baselines/reference/api/tsserverlibrary.d.ts
@@ -1152,7 +1152,7 @@ declare namespace ts {
         kind: SyntaxKind.NotEmittedStatement;
     }
     /**
-     * A list of comma-seperated expressions. This node is only created by transformations.
+     * A list of comma-separated expressions. This node is only created by transformations.
      */
     interface CommaListExpression extends Expression {
         kind: SyntaxKind.CommaListExpression;
diff --git a/tests/baselines/reference/api/typescript.d.ts b/tests/baselines/reference/api/typescript.d.ts
index d154440d0d9..de20defcdcb 100644
--- a/tests/baselines/reference/api/typescript.d.ts
+++ b/tests/baselines/reference/api/typescript.d.ts
@@ -1152,7 +1152,7 @@ declare namespace ts {
         kind: SyntaxKind.NotEmittedStatement;
     }
     /**
-     * A list of comma-seperated expressions. This node is only created by transformations.
+     * A list of comma-separated expressions. This node is only created by transformations.
      */
     interface CommaListExpression extends Expression {
         kind: SyntaxKind.CommaListExpression;