From f7537c049af8ecf77f317b1ed29af49791731eca Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20Monlla=C3=B3?= <david.monllao@gmail.com>
Date: Thu, 16 Nov 2017 21:40:11 +0100
Subject: [PATCH] documentation add tokenizer->fit required to build the
 dictionary (#155)

---
 .../feature-extraction/token-count-vectorizer.md      | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/docs/machine-learning/feature-extraction/token-count-vectorizer.md b/docs/machine-learning/feature-extraction/token-count-vectorizer.md
index 83c6aaa..c4ede68 100644
--- a/docs/machine-learning/feature-extraction/token-count-vectorizer.md
+++ b/docs/machine-learning/feature-extraction/token-count-vectorizer.md
@@ -26,13 +26,18 @@ $samples = [
 ];
 
 $vectorizer = new TokenCountVectorizer(new WhitespaceTokenizer());
-$vectorizer->transform($samples)
-// return $vector = [
+
+// Build the dictionary.
+$vectorizer->fit($samples);
+
+// Transform the provided text samples into a vectorized list.
+$vectorizer->transform($samples);
+// return $samples = [
 //    [0 => 1, 1 => 1, 2 => 2, 3 => 1, 4 => 1],
 //    [5 => 1, 6 => 1, 1 => 1, 2 => 1],
 //    [5 => 1, 7 => 2, 8 => 1, 9 => 1],
 //];
-        
+
 ```
 
 ### Vocabulary