diff --git a/src/GridFS/Bucket.php b/src/GridFS/Bucket.php
index 26a7a6b9a..bd6f0f037 100644
--- a/src/GridFS/Bucket.php
+++ b/src/GridFS/Bucket.php
@@ -591,7 +591,7 @@ public function openUploadStream(string $filename, array $options = [])
     }
 
     /**
-     * Register an alias to enable basic filename access for this bucket
+     * Register an alias to enable basic filename access for this bucket.
      *
      * For applications that need to interact with GridFS using only a filename
      * string, a bucket can be registered with an alias. Files can then be