diff --git a/movement/io/save_poses.py b/movement/io/save_poses.py
index b8eb923f..e2eb8a2f 100644
--- a/movement/io/save_poses.py
+++ b/movement/io/save_poses.py
@@ -397,8 +397,7 @@ def to_nwb_file(
     Raises
     ------
     ValueError
-        If the number of NWBFiles is not equal to the number of individuals
-        in the dataset.
+        If the number of NWBFiles is not equal to the number of individuals.
 
     Notes
     -----