ci: Switch to codecov.io for coverage data

Continue uploading to coveralls, for now, so we can compare the
services.

1 files changed, 1 insertions, 1 deletions

diff --git a/README.md b/README.md
index cb3ac46a24..0442ee61de 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@
 
 [![Travis Build Status](https://travis-ci.org/neovim/neovim.svg?branch=master)](https://travis-ci.org/neovim/neovim)
 [![AppVeyor Build status](https://ci.appveyor.com/api/projects/status/urdqjrik5u521fac/branch/master?svg=true)](https://ci.appveyor.com/project/neovim/neovim/branch/master)
-[![Coverage Status](https://img.shields.io/coveralls/neovim/neovim.svg)](https://coveralls.io/r/neovim/neovim)
+[![codecov](https://img.shields.io/codecov/c/github/neovim/neovim.svg)](https://codecov.io/gh/neovim/neovim)
 [![Coverity Scan Build](https://scan.coverity.com/projects/2227/badge.svg)](https://scan.coverity.com/projects/2227)
 [![Clang Scan Build](https://neovim.io/doc/reports/clang/badge.svg)](https://neovim.io/doc/reports/clang)
 [![PVS-studio Check](https://neovim.io/doc/reports/pvs/badge.svg)](https://neovim.io/doc/reports/pvs)