fix typos in README.md

1991/ant/README.md

@@ -6,8 +6,7 @@
 	Waterloo, On			Waterloo, On		
 	Canada, N2J 2W9			Canada, N2L 6G9
 
-
-## To buil:
+## To build:
 
         make all
 
@@ -21,7 +20,6 @@
     The author was kind enough to supply a list of references below,
     in case you are still confused after read the source!  :-)
 
-
 ## Author's comments
 
     Ant's Editor vIOCCC91

1991/brnstnd/README.md

@@ -3,7 +3,7 @@
 	Daniel J. Bernstein
 	New York University
 
-## To buil:
+## To build:
 
         make all
 
@@ -15,7 +15,6 @@
 
 ## Judges' comments
 
-
     For info on more examples, read the sorta.README file.
 
     The author wished to win the "most useful program" award and

1991/buzzard/README.md

@@ -6,8 +6,7 @@ Best Output:
 	Hyattsville MD 20782 
 	USA
 
-
-## To buil:
+## To build:
 
         make all
 
@@ -21,7 +20,6 @@ Best Output:
 
     You are invited to try to cheat, ... if you can figure out how!  :-)
 
-
 ## Author's comments
 
     HOW TO PLAY:

1991/cdupont/README.md

@@ -7,8 +7,7 @@
 	69009 Lyon 
 	France
 
-
-## To buil:
+## To build:
 
         make all
 
@@ -29,7 +28,6 @@
 	  original source file.  This step is not needed to compile
 	  this entry.
 
-
 ## Author's comments
 
     Spoiler, rot13 to read:

1991/davidguy/README.md

@@ -6,8 +6,7 @@ Best X11 Graphics:
 	Pittsburgh PA 15213		Murray Hill NJ 07974
 	USA				USA
 
-
-## To buil:
+## To build:
 
         make all
 
@@ -42,7 +41,6 @@ Best X11 Graphics:
     We are pleased that this entry has helped bring new 'life' into
     the contest.
 
-
 ## Author's comments
 
     The program is a fully-functional X client.  It talks directly to