removes trailing spaces

Author: aollier

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

@@ -373,7 +373,7 @@ Submodule DbConnector c3f01dc..c87d55d:
   > better connection routine
 ----
 
-Git will by default try to update *all* of your submodules when you run `git submodule update --remote`. 
+Git will by default try to update *all* of your submodules when you run `git submodule update --remote`.
 If you have a lot of them, you may want to pass the name of just the submodule you want to try to update.
 
 ===== Pulling Upstream Changes from the Project Remote
@@ -969,7 +969,7 @@ nothing to commit, working tree clean
 ----
 
 Using the `--recurse-submodules` flag of `git checkout` can also be useful when you work on several branches in the superproject, each having your submodule pointing at different commits.
-Indeed, if you switch between branches that record the submodule at different commits, upon executing `git status` the submodule will appear as ``modified'', and indicate ``new commits''. 
+Indeed, if you switch between branches that record the submodule at different commits, upon executing `git status` the submodule will appear as ``modified'', and indicate ``new commits''.
 That is because the submodule state is by default not carried over when switching branches.
 
 This can be really confusing, so it's a good idea to always `git checkout --recurse-submodules` when your project has submodules.