diff --git a/paper.md b/paper.md
index cef4ff9..caa87b0 100644
--- a/paper.md
+++ b/paper.md
@@ -132,7 +132,7 @@ from cifkit import Cif, Example
 }
 ```
 
-For proessing a large number of .cif files, you may use `CifEnsemble`:
+For processing a large number of .cif files, you may use `CifEnsemble`:
 
 ```python
 from cifkit import CifEnsemble, Example