diff --git a/binarycpython/utils/spacing_functions.py b/binarycpython/utils/spacing_functions.py
index 1df93cb4316c0ab55997a916c3919d98c396b004..bbc32abbe7b03d5a29b5729938e2c082bbaf4562 100644
--- a/binarycpython/utils/spacing_functions.py
+++ b/binarycpython/utils/spacing_functions.py
@@ -383,6 +383,6 @@ def const_dt(self,
         mass_list = np.log10(mass_list)
 
     if showlist:
-        print("const_dt mass list\n",mass_list)
+        print("const_dt mass list ({} masses)\n".format(len(mass_list)),mass_list)
 
     return mass_list