Merge pull request #178 from joker2600/master

some small changes to issues #118 and #170

Thanks @joker2600 appreciate this update!

class_materials/git_main_lifecycle.md

@@ -74,6 +74,12 @@ Changes not staged for commit:
 $ git add johnny_appleseed.txt
 ```
 
+If you need to add more than one file to the staging area, simply separate the filenames with a space:
+
+```bash
+$ git add <file1> <file2> ...
+```
+
 ### Status check
 Take a look at things now that the file has been staged, again using `git status`... We should notice that a line in the output identifies that a text file has been modified AND is now ready to be committed.
 
@@ -276,15 +282,6 @@ nothing to commit, working tree clean
 
 Get in the habit of using `git status` regularly, it is probably the most informative and helpful command for understanding exactly what's going on.
 
-### Adding multiple files
-
-If you need to add more than one file to the staging area, simply separate the filenames with a space:
-
-```bash
-$ git add <file1> <file2> ...
-```
-
-
 ## Resources
 
 * [Git Basics - Recording Changes to the Repository](https://git-scm.com/book/en/v2/Git-Basics-Recording-Changes-to-the-Repository)

class_materials/prereq_student.md

@@ -25,7 +25,7 @@ Having said that, the following will help with successfully completing this work
 
 ### Learning methods
 
-The workshop is about four hours and covers a lot of material (it may be broken into two days OR may be a single day event). Anything you can do to optimize your learning experience will be beneficial. Below are just some suggestions:
+The workshop is about two hours and covers a lot of material. Anything you can do to optimize your learning experience will be beneficial. Below are just some suggestions:
 
 * Ask questions. Lots of questions. 
     * Take advantage of the fact that you are in a room with mentors to get your questions answered.