diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 797bb8b..07df5af 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -9,9 +9,11 @@ issue labels.
 
 ## Bug reports and feature suggestions
 
-All of these can be submitted to our [issue
-tracker](https://github.com/trailofbits/manticore/issues).  If you find a
-security vulnerability, do not open an issue; email opensource@trailofbits.com
+Bug reports and feature suggestions can be submitted to our [issue
+tracker](https://github.com/trailofbits/manticore/issues). For bug reports,
+attaching the binary that caused the bug will help us in debugging and
+resolving the issue quickly. If you find a security
+vulnerability, do not open an issue; email opensource@trailofbits.com
 instead.
 
 ## Questions