diff --git a/docs/user-guide/msh2vtu.md b/docs/user-guide/msh2vtu.md
index 73680c0ff446c6a7b2ac11e2897562e62c9c5258..bebaa89bdb4046cefcd836404f4634c89c8a4e6d 100644
--- a/docs/user-guide/msh2vtu.md
+++ b/docs/user-guide/msh2vtu.md
@@ -33,7 +33,7 @@ In addition, it may be used as Python module:
 ```python
 from ogstools.msh2vtu import msh2vtu
 
-def msh2vtu(
+msh2vtu(
     input_filename="my_mesh.msh",
     output_path="",
     output_prefix="my_meshname",