fix a few more quasi-common headers in winner README.md files

1984/anonymous/README.md

@@ -31,6 +31,7 @@ as the alternate code. See below for the tattoo side-by-side with the code.
 make alt
 ```
 
+
 ### Alternate use:
 
 NOTE: this version might not work on some systems like macOS.

1984/decot/README.md

@@ -45,6 +45,7 @@ can use this version.
 make alt
 ```
 
+
 ### Alternate use:
 
 ```sh