minor changes in titles for amend

2019/2019-09-24_advancedGitTraining/slides/amend.md

@@ -17,7 +17,7 @@ $ git log
 
 
 
-# Example: change the commit message
+# Example 1: change the commit message
 
 * Verify that your staging area is clear:
 ```bash
@@ -38,7 +38,7 @@ $ git log
 
 
 
-# Example: change the commit content
+# Example 2: change the commit content
 
 * In your editor, change the text in the `myName.md` file. For instance:
 ```bash
@@ -52,7 +52,7 @@ $ git status
 
 * With the changes staged use the following command to commit the changes into the previous commit:
 ```bash
-$ cd ../ # change back if required
+$ cd ../ # change directory one up if required
 $ git add attendees/myName.md
 $ git commit --amend --no-edit
 ```