Merge pull request #1409 from anbj/correct-tag-name

Refer to consistent tag

Author: ben

book/02-git-basics/sections/tagging.asc

@@ -261,8 +261,8 @@ If you want to view the versions of files a tag is pointing to, you can do a `gi
 
 [source,console]
 ----
-$ git checkout 2.0.0
-Note: checking out '2.0.0'.
+$ git checkout v2.0.0
+Note: checking out 'v2.0.0'.
 
 You are in 'detached HEAD' state. You can look around, make experimental
 changes and commit them, and you can discard any commits you make in this