Update coverage badge to show development coverage

1 files changed, 1 insertions, 1 deletions

diff --git a/README.md b/README.md
index 10ef93be4..d6b478799 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ This repository is a monorepo including the 0x protocol smart contracts and nume
 [whitepaper-url]: https://0xproject.com/pdfs/0x_white_paper.pdf
 
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+[![Coverage Status](https://coveralls.io/repos/github/0xProject/0x-monorepo/badge.svg?branch=development)](https://coveralls.io/github/0xProject/0x-monorepo?branch=development)
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