Fix minor typo in docs/manual/source/start/index.html.md (#508)

diff --git a/docs/manual/source/start/index.html.md b/docs/manual/source/start/index.html.md
index 44b7858..9c40e06 100644
--- a/docs/manual/source/start/index.html.md
+++ b/docs/manual/source/start/index.html.md
@@ -21,7 +21,7 @@
 
 ## Overview
 
-PredictionIO consist of the following components:
+PredictionIO consists of the following components:
 
 * **PredictionIO platform** - our open source machine learning stack for building, evaluating and deploying engines with machine learning algorithms.
 * **Event Server** - our open source machine learning analytics layer for unifying events from multiple platforms