Fixes typo

Author: Conor Okus

docs/overview/architecture.md

@@ -5,7 +5,7 @@ Firstly, LDK is not a daemon, but rather its own implementation of the Lightning
 
 This makes it environment agnostic, allowing you to choose your own data storage, wallet, networking stack and blockchain monitoring. In the diagram above the boxes with dotted borders are LDK's modules — these must be configured with either default or custom implementations that you provide.
 
-We also use an event driven archictecture that will ansychronously prompt you to do an number of things. For example LDK will generate an event when a payment is received (`PaymentReceived`). More on this in a later section. 
+We also use an event driven archictecture that that will allow you to act upon number of things asynchronously. For example LDK will generate an event when a payment is received (`PaymentReceived`). More on this in a later section. 
 
 ::: tip Langauge Bindings