Merge remote-tracking branch 'origin/master'

Author: MrIceman

README.md

@@ -17,6 +17,13 @@ Simply run
 ```
 go get -u github.com/mriceman/go-uml
 ```
+
+Make sure you are executing this in a go project, other wise you have to run
+
+```go mod init <project-name>```
+
+first
+
 # Example
 
 ```