diff --git a/astropy/wcs/tests/test_wcs.py b/astropy/wcs/tests/test_wcs.py
index 8dd5a75ead07..321acb9c54f1 100644
--- a/astropy/wcs/tests/test_wcs.py
+++ b/astropy/wcs/tests/test_wcs.py
@@ -1190,7 +1190,7 @@ def test_cunit():
     w1 = wcs.WCS(naxis=2)
     w2 = wcs.WCS(naxis=2)
     w3 = wcs.WCS(naxis=2)
-    # Initializing the values of cunit and ctype
+    # Initializing the values of cunit
     w1.wcs.cunit = ['deg', 'm/s']
     w2.wcs.cunit = ['km/h', 'km/h']
     w3.wcs.cunit = ['deg', 'm/s']