README.md in fast_change_table-1.0.0 vs README.md in fast_change_table-1.1.1

@@ -4,10 +4,10 @@
 
 
 uses ordinary change_table syntax but adds two options
 
 * "replace\_keys" to remove all indexes; new indexes will be specified
-- "disable\_keys" to remove indexes and apply them after data load; this is a tremendous performance enhancement for a dbms with fast index creation
+- "disable\_keys" to remove indexes and apply them after data load; this is a tremendous performance enhancement for a dbms with fast index creation; it is active by default. set it to false to prevent its use
 
 __Example:__
 
     fast_change_table :table_name, :disable_keys => true do |t|
       t.change :old_string, :string, :limit => 64
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