diff --git a/README.md b/README.md
index 4947362..139e427 100644
--- a/README.md
+++ b/README.md
@@ -27,4 +27,8 @@ git clone https://github.com/prod2/nondescript
 cd nondescript
 nimble build
 bin/nds
-```
\ No newline at end of file
+```
+
+## Contact
+
+Please contact me on matrix (@prod2:envs.net)
diff --git a/nim.cfg b/nim.cfg
index 76b350f..05ed290 100644
--- a/nim.cfg
+++ b/nim.cfg
@@ -1 +1 @@
---gc:arc -d:release
\ No newline at end of file
+--gc:arc -d:danger --passC: "-O3 -flto"