The last line on page 10 is:
HugSQL has some advanced features not shown here, but otherwise, queries are written using regular SQL syntax.(https://www.hugsql.org/#detail)
There is no space between the period and the parentheses. I believe a space should be added, and the period move to after the parentheses. Eg:
HugSQL has some advanced features not shown here, but otherwise, queries are written using regular SQL syntax (https://www.hugsql.org/#detail).