quickstart.md in review-5.0.0

- old
+ new
@@ -233,11 +233,11 @@
 
 Re:VIEW is updated regularly. We Re:VIEW team watch the backward compatibility carefully, but if you want to use the features in the new version, you can use review-update command to update the project folder.
 
 ```bash
 $ review-update
-** review-update updates your project to 4.1.0 **
-config.yml: Update 'review_version' to '4.0'? [y]/n
+** review-update updates your project to 5.0.0 **
+config.yml: Update 'review_version' to '5.0'? [y]/n
 Rakefile will be overridden with Re:VIEW version (/.../review/samples/sample-book/src/Rakefile). Do you really proceed? [y]/n
 lib/tasks/review.rake will be overridden with Re:VIEW version (/.../review/samples/sample-book/src/lib/tasks/review.rake). Do you really proceed? [y]/n
 INFO: new file /.../sty/plistings.sty is created.
 /.../sty/reviewmacro.sty will be overridden with Re:VIEW version (/.../review/templates/latex/review-jsbook/reviewmacro.sty). Do you really proceed? [y]/n
 INFO: new file /.../sty/README.md is created.