diff --git a/saving_gas/README.md b/saving_gas/README.md
index dfc87a0..f908c65 100644
--- a/saving_gas/README.md
+++ b/saving_gas/README.md
@@ -1,5 +1,6 @@
## tricks to save gas
+
### tl; dr
@@ -12,6 +13,10 @@
+----
+
+
+
@@ -99,6 +104,7 @@ uint256 world; //good, cheap
### resources
+
* [resources for gas optimization](https://github.com/kadenzipfel/gas-optimizations)
* [truffle contract size](https://github.com/IoBuilders/truffle-contract-size)