A DESCRIPTION OF THE REQUEST :
On the java.util.Arrays API summary page (English), there is a grammatical error.
http://docs.oracle.com/javase/7/docs/api/index.html?overview-summary.html

“The documentation for the methods contained in this class includes briefs description of the implementations.”
Should be either
“The documentation for the methods contained in this class includes a brief description of the implementations.”
or
“The documentation for the methods contained in this class includes brief descriptions of the implementations.”

The second on would be more appropriate in my view.

JUSTIFICATION :
Professionalism.

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
“The documentation for the methods contained in this class includes brief descriptions of the implementations.”
ACTUAL -
“The documentation for the methods contained in this class includes briefs description of the implementations.”