Fix some documentation typos (#13067)
diff --git a/README.md b/README.md
index b93a81a..462457a 100644
--- a/README.md
+++ b/README.md
@@ -89,13 +89,13 @@
support Wi-Fi and Thread for core, operational communications and Bluetooth Low
Energy (BLE) to simplify device commissioning and setup.
-The Application Layer can be further broken down seven main components:
+The Application Layer can be further broken down into seven main components:

1. **Application:** High order business logic of a device. For example, an
application that is focused on lighting might contain logic to handle turning
- on/off the bulb as well its color characteristics.
+ on/off the bulb as well as its color characteristics.
2. **Data Model:** Data primitives that help describe the various
functionalities of the devices. The Application operates on these data
@@ -116,7 +116,7 @@
6. **Message Framing & Routing:** With an interaction encrypted and signed, the
Message Layer constructs the payload format with required and optional header
- fields; which specify properties of the message as well some routing
+ fields; which specify properties of the message as well as some routing
information.
7. **IP Framing & Transport Management:** After the final payload has been