Beginner Tutorials examples bug

[Chinese]

In the AutoHotKey Help Document, Tutorial (quick start) Section
3, 4 & 5 can be combined too. var:="The value of 5+ " Variable " is: " 5+Variable

There is an error here, The right syntax is below:
3, 4 & 5 can be combined too. var:="The value of 5{+} " Variable " is: " 5+Variable

[lexikos]

No. Wrapping + in {} is only appropriate if you are passing it to Send. That part of the tutorial does not use Send.