diff --git a/plantcv/annotate/__init__.py b/plantcv/annotate/__init__.py
index f8c85ee..1f70211 100644
--- a/plantcv/annotate/__init__.py
+++ b/plantcv/annotate/__init__.py
@@ -3,5 +3,5 @@
 
 __all__ = [
     "Points",
-    get_centroids
+    "get_centroids"
     ]