Merge pull request #161 from zigarn/fixes

Some simple fixes

Author: ben

book/07-git-tools/sections/submodules.asc

@@ -118,7 +118,7 @@ $ git commit -am 'added DbConnector module'
  create mode 160000 DbConnector
 ----
 
-Notice the `160000` mode for the rack entry.
+Notice the `160000` mode for the `DbConnector` entry.
 That is a special mode in Git that basically means you’re recording a commit as a directory entry rather than a subdirectory or a file.
 
 [[_cloning_submodules]]
@@ -208,7 +208,7 @@ If you want to check for new work in a submodule, you can go into the directory
 $ git fetch
 From https://github.com/chaconinc/DbConnector
    c3f01dc..d0354fc  master     -> origin/master
-Scotts-MacBook-Pro-3:DbConnector schacon$ git merge origin/master
+$ git merge origin/master
 Updating c3f01dc..d0354fc
 Fast-forward
  scripts/connect.sh | 1 +
@@ -774,7 +774,7 @@ Removing the directory isn't difficult, but it can be a bit confusing to have th
 
 [source,console]
 ----
-$ git clean -ffdx
+$ git clean -fdx
 Removing CryptoLibrary/
 
 $ git checkout add-crypto