FULL PRODUCT VERSION :
java full version "1.8.0_74-b02"
java full version "9-ea+106-2016-02-17-190733.javare.4476.nc"

ADDITIONAL OS VERSION INFORMATION :
Microsoft Windows [Version 6.1.7601]

A DESCRIPTION OF THE PROBLEM :
The "keytool -importkeystore" command has 2 options, -srcprotected and -destprotected (cf. https://docs.oracle.com/javase/8/docs/technotes/tools/windows/keytool.html#keytool_option_importkeystore ). However, when executing "keytool -importkeystore -help", -destprotected is not listed.

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
In a Windows command-prompt, execute the following command:
keytool -importkeystore -help

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
[...]
 -srcprotected source keystore password protected
[...]
ACTUAL -
[...]
-srcprotected source keystore password is protected
-destprotected destination keystore password is protected
[...]

REPRODUCIBILITY :
This bug can be reproduced always.