Explain Bloom filter in README

yourbasic · May 14, 2017 · 45ec2b7 · 45ec2b7
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 # Your basic Bloom filter
 
-Golang Bloom filter implementation
+### Golang probabilistic set data structure
+
+A Bloom filter is a fast and space-efficient probabilistic data structure
+used to test set membership. A membership test returns either ”likely member”
+or ”definitely not a member”
 
 ![Neutral density filter](ND-filter.jpg)