diff --git a/iodata/test/test_mwfn.py b/iodata/test/test_mwfn.py
index b967bcdb..6115080f 100644
--- a/iodata/test/test_mwfn.py
+++ b/iodata/test/test_mwfn.py
@@ -33,7 +33,7 @@
 
 
 def helper_load_mwfn_low(fn_mwfn):
-    """Load a testing Gaussian log file with iodata.formats.mwfn.load_mwfn_low."""
+    """Load a testing Multiwfn file with iodata.formats.mwfn.load_mwfn_low."""
     with path('iodata.test.data', fn_mwfn) as fn:
         lit = LineIterator(str(fn))
         return _load_mwfn_low(lit)