Try and improve specification rendering

Author: mjdecker

_notes/software-architecture/requirements/specification.md

@@ -81,16 +81,15 @@ layout: notes
 # Use Case Example (continued)
 
 * Extensions:
-	* 3a: Replace only first occurrence
-		1. User indicates that only the first occurrence is to be replaced.
-		2. Software finds the first occurrence of the search term in the document being edited and replaces it with the replacement text.
-		3. Use case ends with postcondition state being only the first occurrence is replaced.
+ 3a: Replace only first occurrence
+1. User indicates that only the first occurrence is to be replaced.
+2. Software finds the first occurrence of the search term in the document being edited and replaces it with the replacement text.
+3. Use case ends with postcondition state being only the first occurrence is replaced.
 
-	# Use Case Example (continued)
-	* 3b: Search only
-		1. User indicates that the software is only to search and not replace.
-		2. Software highlights the first occurrence of the search term.
-		3. Use case ends with post condition state being the first occurrence is highlighted and not replaced.
+3b: Search only
+1. User indicates that the software is only to search and not replace.
+2. Software highlights the first occurrence of the search term.
+3. Use case ends with post condition state being the first occurrence is highlighted and not replaced.
 *  **Postconditions**: All occurrences of the search term have been replaced with the replacement text.