docs(README): remove macOS build references #7685 (#8974)

README.md

@@ -72,22 +72,10 @@ sudo apt-get update
 sudo apt-get install build-essential
 ```
 
-#### macOS
-
-As a prerequisite, first install [XCode](https://apps.apple.com/us/app/xcode/id497799835?mt=12) (or the [XCode Command-line Tools](https://developer.apple.com/downloads/)) and [Homebrew](https://brew.sh/).
-
-Next, install the required dependencies:
-
-```bash
-brew update
-brew install jemalloc go
-```
-
 ### Build and Install
 
 Then clone the Dgraph repository and use `make install` to install the Dgraph binary in the directory named by the GOBIN environment variable, which defaults to $GOPATH/bin or $HOME/go/bin if the GOPATH environment variable is not set. 
 
-
 ```bash
 git clone https://github.com/dgraph-io/dgraph.git
 cd dgraph

paper/dgraph.tex

@@ -847,7 +847,7 @@ \section{Replication}
 \section{High Availability and Scalability}
 
 Dgraph's architecture revolves around Raft groups for update log serialization
-and replication. In the CAP throrem, this follows CP, i.e. in a network
+and replication. In the CAP theorem, this follows CP, i.e. in a network
 partition, Dgraph would choose consistency over availability. However, the
 concepts of CAP theorem should not be confused with high availability, which is
 determined by how many instances can be lost without the service getting