diff --git a/types/pipelinestage.d.ts b/types/pipelinestage.d.ts
index 08a3feb525..c709528ec1 100644
--- a/types/pipelinestage.d.ts
+++ b/types/pipelinestage.d.ts
@@ -9,7 +9,7 @@ declare module 'mongoose' {
     | PipelineStage.CollStats
     | PipelineStage.Count
     | PipelineStage.Densify
-    | PipelineStage.Documents    
+    | PipelineStage.Documents
     | PipelineStage.Facet
     | PipelineStage.Fill
     | PipelineStage.GeoNear