diff --git a/docs/plugins/lastgenre.rst b/docs/plugins/lastgenre.rst
index eb3b6210c..7a4d19a51 100644
--- a/docs/plugins/lastgenre.rst
+++ b/docs/plugins/lastgenre.rst
@@ -27,8 +27,6 @@ internal whitelist, but you can set your own in the config file using the
     lastgenre:
         whitelist: /path/to/genres.txt
 
-... or go for no whitelist altogether by setting it to "false".  
-
 The genre list file should contain one genre per line. Blank lines are ignored.
 For the curious, the default genre list is generated by a `script that scrapes
 Wikipedia`_.
@@ -60,9 +58,9 @@ leaves of the tree represent the most specific genres.
 To enable canonicalization, set the ``canonical`` configuration value::
 
     lastgenre:
-        canonical: 'true'
+        canonical: ''
 
-Setting this value to 'true' will use a built-in canonicalization
+Setting this value to the empty string will use a built-in canonicalization
 tree. You can also set it to a path, just like the ``whitelist`` config value,
 to use your own tree.
 
@@ -110,6 +108,9 @@ the ``min_weight`` config option::
     lastgenre:
         min_weight: 15
 
+However, if no tag with a weight greater then ``min_weight`` is found, the
+plugin uses the next-most-popular tag.
+
 
 Running Manually
 ----------------