Apply suggestion to soitool/coder.py

soitool/coder.py

@@ -15,8 +15,8 @@ def get_code(code_length, mode="ascii", space_interval=0):
     code_length : int
         The length of the code
     mode : string
-        'ascii' for letters (default), 'digits' for digits and 'combo'
-        for combination of letters and digits, by default 'ascii'.
+        'ascii' for letters, 'digits' for digits and 'combo' for
+        combination of letters and digits, by default 'ascii'.
     space_interval : int
         Spaces will be inserted to code each interval if not 0, by default 0.