Fix link in resources

Author: ekzyis

README.md

@@ -326,4 +326,4 @@ zmqpubrawtx=tcp://127.0.0.1:29001
 ## Resources
 
 * [1] [The Bitcoin Lightning Network: Scalable Off-Chain Instant Payments](https://lightning.network/lightning-network-paper.pdf) by Joseph Poon and Thaddeus Dryja
-* [2] [Reaching The Ground With Lightning](https://github.com/ElementsProject/lightning/raw/master/doc/deployable-lightning.pdf) by Rusty Russell
+* [2] [Reaching The Ground With Lightning](https://github.com/ElementsProject/lightning/blob/10b10eb981a2c3f2385c3c9ae2244a1767eeca86/doc/miscellaneous/deployable-lightning.pdf) by Rusty Russell