<!--- Provide Summary of Issue in Title -->
## Issue body
<!--- Please describe your issue. Is this a bug or feature request? -->


## Your Environment
<!-- Include details of the environment you were using -->
* Operating System:
* Python Version Used:
* spaCy Version Used:
* Environment Information: 

# Checklist
<!--- Place 'x' into below boxes as you finish them -->
- [] Included Explanation of Issue
- [] Can Replicate Issue With Your Provided Steps
- [] Code / error snippet is present
- [] Detailed description of your environment
<!--- Provide Summary of Issue in Title -->
## Issue body
<!--- 
Please describe your issue. Is this a bug or feature request?
If a bug, include all the steps that led to the issue.
Has your issue been discussed on stackoverflow? http://stackoverflow.com/questions/tagged/spacy 
-->


## Your Environment
<!-- Include details of the environment you were using -->
* Operating System:
* Python Version Used:
* spaCy Version Used:
* Environment Information: 
Add link to spaCy stackoverflow tag
Add link to spaCy stackoverflow tag
