Update README.md

ianwalter · Oct 25, 2019 · 4ed3582 · 4ed3582
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@@ -17,6 +17,8 @@ yarn add @ianwalter/decision-tree
 ## Usage
 
 ```js
+import { DecisionTree } from '@ianwalter/decision-tree'
+
 const decisionTree = new DecisionTree({
   key: 'attribute',
   title: 'What is your greatest attribute?',
@@ -148,9 +150,17 @@ decisionTree.current() /* => {
 
 ## API
 
+### Instance methods
+
 next
 prev
 
+### Errors
+
+NoChildrenError
+NoLeadToError
+NoParenError
+
 ## License
 
 Hippocratic License - See [LICENSE][licenseUrl]