How do I customize the size of title and context in SearchBlox?

It is possible to configure the size of context and title.
Go to ..\webapps\searchblox\WEB-INF\relevance.yml and give the size for title and description context as below:
It is possible to increase or decrease the value as per one's requirement. Please make sure to restart SearchBlox after making changes to the relevance.yml file.

 By default, you will find the title and context snippet length as below: 

titleSnippet: 100
contextSnippet: 200

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What is the max number of characters allowed in title, description and keywords in featured results