Clarify that load_config()'s filename argument defaults to None

Had missed the '(default: None)', and it doesn't hurt to point it out in
the description either.

Point out that filename=None is the default in the write_config()
'filename' description too, though it already had the '(default: None)'.

1 files changed, 6 insertions, 5 deletions

diff --git a/kconfiglib.py b/kconfiglib.py
index fda4d0c..7ad76fd 100644
--- a/kconfiglib.py
+++ b/kconfiglib.py
@@ -1038,12 +1038,13 @@ class Kconfig(object):
         'strerror', and 'filename' are available). Note that IOError can be
         caught as OSError on Python 3.
 
-        filename:
+        filename (default: None):
           Path to load configuration from (a string). Respects $srctree if set
           (see the class documentation).
 
-          If 'filename' is None, the configuration file to load (if any) is
-          calculated automatically, giving the behavior you'd usually want:
+          If 'filename' is None (the default), the configuration file to load
+          (if any) is calculated automatically, giving the behavior you'd
+          usually want:
 
             1. If the KCONFIG_CONFIG environment variable is set, it gives the
                path to the configuration file to load. Otherwise, ".config" is
@@ -1311,8 +1312,8 @@ class Kconfig(object):
         filename (default: None):
           Filename to save configuration to (a string).
 
-          If None, the filename in the the environment variable KCONFIG_CONFIG
-          is used if set, and ".config" otherwise. See
+          If None (the default), the filename in the the environment variable
+          KCONFIG_CONFIG is used if set, and ".config" otherwise. See
           standard_config_filename().
 
         header (default: "# Generated by Kconfiglib (https://github.com/ulfalizer/Kconfiglib)\n"):