Format/typo check 1986/wall/README.md

1986/wall/README.md

@@ -1,6 +1,6 @@
 # Grand prize in most well-rounded in confusion
 
-Larry Wall  
+Larry Wall<br>
 US 
 
 ## To build:
@@ -38,11 +38,12 @@ The original version did not have a ';' character in the first line.
 This caused a number of System V C pre-preprocessors to gripe about a
 syntax error.
 
-This program is a masterpiece of obfuscation and humor.  Larry Wall
-(the hacker who gave us `rn` and `patch`) asks you to compile and consider
-the warning message generated by the C compiler.  Then execute the
-program and type characters into its standard input.  You will see why
-the compiler documents the program.
+This program is a masterpiece of obfuscation and humor.  Larry Wall (the hacker
+who gave us [rn](https://en.wikipedia.org/wiki/Rn_(newsreader)) and
+[patch](https://en.wikipedia.org/wiki/Patch_(Unix))) asks you to compile and
+consider the warning message generated by the C compiler.  Then execute the
+program and type characters into its standard input.  You will see why the
+compiler documents the program.
 
 ## Author's remarks: