update gitignore

Donaldcwl · Donaldcwl · commit c2e2e5694df9 · 2020-05-07T18:36:48.000+08:00
diff --git a/.gitignore b/.gitignore
@@ -16,7 +16,7 @@ pids
 lib-cov
 
 # Coverage directory used by tools like istanbul
-`coverage
+coverage
 
 # nyc test coverage
 .nyc_output
