diff --git a/10 Notes/How big the effort would be?.md b/10 Notes/How big the effort would be?.md
index 48d91af..d3a8938 100644
--- a/10 Notes/How big the effort would be?.md	
+++ b/10 Notes/How big the effort would be?.md	
@@ -12,7 +12,7 @@ Depending on the scope. Let's recall the most significant extensions we may need
 - Bandwidth incentives.
 - PEX,
 - LSD (Local Service Discovery),
-- NAT PMP/UPn{P,
+- NAT PMP/UPnP,
 - uTP,
 - Superseeding.
 
diff --git a/README.md b/README.md
index 8c1c4cc..ec0a016 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ source: https://github.com/marcinczenko/bittorrent-codex-docs
 
 In this repository your will find a complete documentation of our BitTorrent/Codex investigation.
 
-## How to read that document
+## How to read this document
 
 The most important part to read are the 3 points at the beginning of the [Objectives](#objectives) section below followed by a introductory [[Is it all worth it?]]. I tried to keep that part concise yet informative.