hg: jdk/submit: 8223595: Consider updating jdk.jshell module description

[robert.field at oracle.com]

Changeset: 43633b8e24c6
Author:    rfield
Date:      2019-05-17 12:52 -0700
URL:       http://hg.openjdk.java.net/jdk/submit/rev/43633b8e24c6

8223595: Consider updating jdk.jshell module description
Summary: Conform to module summary standards
Reviewed-by: jlahoda

! src/jdk.jshell/share/classes/module-info.java