improve commits in the chapter

Author: Xronophobe

chapter_15_advanced_forms.asciidoc

@@ -382,11 +382,15 @@ now it's time to commit our model-layer changes:
 [subs="specialcharacters,macros"]
 ----
 $ pass:[<strong>git status</strong>] # should show changes to tests + models and new migration
-# let's give our new migration a better name
-$ pass:[<strong>git add lists</strong>]
+$ pass:[<strong>git add src/lists</strong>]
 $ pass:[<strong>git diff --staged</strong>]
-$ pass:[<strong>git commit -am "Implement duplicate item validation at model layer"</strong>]
+$ pass:[<strong>git commit -m "Implement duplicate item validation at model layer"</strong>]
 ----
+// CSANAD we manually added src/lists I'm guessing, not to commit the currently
+// failing FT. Or, we could commit the FT too, but in that case adding src/lists
+// is unnecessary because we would be doing `commit -a` anyway. I removed the
+// comment to name the migration because it's descriptive enough now:
+// 0005_alter_item_unique_together.
 
 
 === Experimenting with Duplicate Item Validation at the Views Layer
@@ -594,8 +598,10 @@ And we're there!  A quick commit:
 [subs="specialcharacters,quotes"]
 ----
 $ *git diff*
-$ *git commit -a*
+$ *git add src/lists/forms.py src/lists/tests/test_forms.py*
+$ *git commit -m "implement ExistingListItemForm, add DUPLICATE_ITEM_ERROR message"*
 ----
+// CSANAD I think it's better to keep the commit neat.
 
 
 === Using the Existing List Item Form in the List View