Github user qiuchenjian commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/3033#discussion_r244441456
--- Diff: docs/datamap-developer-guide.md ---
@@ -3,15 +3,15 @@
### Introduction
DataMap is a data structure that can be used to accelerate certain query
of the table. Different DataMap can be implemented by developers.
Currently, there are two 2 types of DataMap supported:
--- End diff --
```suggestion
Currently, there are two types of DataMap supported:
```---
