diff --git a/soitool/coder.py b/soitool/coder.py
index e900cc3e8042f41c0a168c49d41fdd28b4e1fcf9..dd37b164f9d0a1c9f8c9195d1cfa480aa97726fd 100644
--- a/soitool/coder.py
+++ b/soitool/coder.py
@@ -18,7 +18,8 @@ def get_code(code_length, mode="ascii", space_interval=0):
         '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.
+        Spaces will be inserted into code each interval for readability if not
+        0, by default 0.
 
     Return
     ------
@@ -71,7 +72,8 @@ def get_code_set(count, code_length, mode="ascii", space_interval=0):
         'ascii' for letters (default), 'digits' for digits and 'combo'
         for combination of letters and digits.
     space_interval : int
-        Spaces will be inserted to code each interval if not 0, by default 0.
+        Spaces will be inserted into code each interval for readability if not
+        0, by default 0.
 
     Return
     ------
diff --git a/soitool/modules/module_authentication_board.py b/soitool/modules/module_authentication_board.py
index bcdd044546dab58b1efac742c2e6704794185bae..92a35dd08f7fe9f9b030def1940564da9bd4b369 100644
--- a/soitool/modules/module_authentication_board.py
+++ b/soitool/modules/module_authentication_board.py
@@ -13,12 +13,18 @@ from soitool.modules.module_base import (
 
 START_NO_OF_AUTHENTICATION_CODES = 10
 CODE_LENGTH = 25
-CODE_CHARACTERS = "ascii"  # Has to be 'ascii', 'digits' or 'combo'
-# Codes will consist of A-Z if 'ascii', 0-9 if 'digits' and A-Z+0-9 if 'combo'.
-ROW_IDENTIFIERS = string.ascii_uppercase  # Characters for first column,
-# it's length determines maximum number of codes (rows).
-SPACE_INTERVAL = 5  # Adds space between sets of characters, 0 => no spaces
+
+# Has to be 'ascii', 'digits' or 'combo'. Codes will consist of A-Z if
+# 'ascii', 0-9 if 'digits' and A-Z+0-9 if 'combo'.
+CODE_CHARACTERS = "ascii"
+
+# Characters for first column. It's length determines maximum number of
+# codes (rows).
+ROW_IDENTIFIERS = string.ascii_uppercase
+
+# Adds space between sets of characters, 0 => no spaces
 # If code is 123456 and interval is 2, code will be 12 34 56
+SPACE_INTERVAL = 5
 
 HEADLINE_TEXT = "Autentiseringstavle"