Fixes in 1984 winning entries' README.md files

Formatting and possibly typos.

1984/decot/README.md

@@ -1,10 +1,12 @@
 # Second place award 
 
-Dave Decot
+Dave Decot  
 
 ## To build:
 
-        make all
+```sh
+make all
+```
 
 Originally [Yusuke Endoh](/winners.html#Yusuke_Endoh) supplied a patch so that
 this entry would compile with gcc - but not clang - or at least some versions.
@@ -23,11 +25,11 @@ does not. Clang also requires that the second and third arguments to main be a
 
 ### Alternative code:
 
-The alternative code, [decot.alt.c](decot.alt.c), is the fix that Cody made to
-the version that does require `-traditional-cpp` and still runs afoul with
-clang's requirement for the second and third arguments to main() being a `char
-**` (the fixed version's main() only has one arg, an int). It is a minor fix to
-Yusuke's fix. Thank you Yusuke and Cody!
+The alternative code, [decot.alt.c](decot.alt.c), is the original code that
+requires `-traditional-cpp` and will also run afoul with clang's requirement for
+the second and third arguments to main() being a `char **` (the fixed version's
+main() only has one arg, an int). It is a minor fix to Yusuke's fix. Thank you
+Yusuke and Cody!
 
 To try this version:
 
@@ -43,7 +45,7 @@ This program prints out a string of garbage.
 
 The judges also offer this one comment: understand remarks!
 
-### Historical comments:
+### Historical remarks:
 
 Some new (in 1984) compilers disliked line 15 of the original source, so we changed it
 from:
@@ -65,7 +67,7 @@ To see what we mean look at the source file in the
 
 ## Author's remarks:
 
-No comments were provided by the author.
+No remarks were provided by the author.
 
 ## Copyright and CC BY-SA 4.0 License: