fix a few more standard header lines in winner README.md files

1988/litmaath/README.md

@@ -27,15 +27,15 @@ code](#alternate-code) section below.
 ./litmaath eschew obfuscation
 ```
 
-## Alternate code:
 
+## Alternate code:
 
 This alternate code, added to help understand the entry and for fun, is code
 that we suggested at the time of the entry publication but which we never put in
 a file.
 
-### Alternate build:
 
+### Alternate build:
 
 ```sh
 make alt
@@ -43,6 +43,7 @@ make alt
 
 Use `litmaath.alt` as you would `litmaath` above.
 
+
 ### Alternate try:
 
 ```sh