diff --git a/README.md b/README.md
index 83ec06ede3..7bbf6361df 100644
--- a/README.md
+++ b/README.md
@@ -85,10 +85,10 @@ detect it, the file `build/config.log` may contain information about the
 reasons for the failure.
 
 NOTE: To avoid cluttering the output with unreadable spam, `--help` only shows
-one of the two switches for each option. If the option is autodetected by
-default, the `--disable-***` switch is printed; if the option is disabled by
-default, the `--enable-***` switch is printed. Either way, you can use
-`--enable-***` or `--disable-**` regardless of what is printed by `--help`.
+one of the two switches for each option. If the option is autodetected or
+enabled by default, the `--disable-***` switch is printed; if the option is
+disabled by default, the `--enable-***` switch is printed. Either way, you can
+use `--enable-***` or `--disable-**` regardless of what is printed by `--help`.
 
 To build the software you can use `./waf build`: the result of the compilation
 will be located in `build/mpv`. You can use `./waf install` to install mpv
diff --git a/waftools/features.py b/waftools/features.py
index 74c2483a48..abd29fc1fa 100644
--- a/waftools/features.py
+++ b/waftools/features.py
@@ -29,6 +29,7 @@ class Feature(object):
             ],
             'enable': [
                 {'state': 'disable', 'action': 'store_false', 'default': True},
+                {'state': 'enable',  'action': 'store_true',  'default': True},
             ],
         }[self.behaviour()]