Fix typo 4. GitHub won't let me do more at one time.

Co-authored-by: Bryce Willey <Bryce.Steven.Willey@gmail.com>

docs/story_tables.md

@@ -68,7 +68,7 @@ First, the very basic flow for setting a variable. Note: every variable that is
   2. Shallowly clone the Story Table row list.
     1. Create a new object almost the same as the old object
     2. Print a warning to the user if they've created a `.there_is_another` row with a value of `'True'` and change that value to `'False'`.
-    3. Add artificial rows - rows we create - which is currently just used for `.target_number`.
+    3. If there is a `.target_number` row, use it to create new rows for `.there_is_another` and `.there_are_any`
     4. This new list will be used to actually put answers into fields.
   3. For each field
     1. Find which Story Table row, if any, matches that field.