From ddb942b35cd7c0e0774c4aad44edbaa9bd838441 Mon Sep 17 00:00:00 2001
From: Cody Boone Ferguson <53008573+xexyl@users.noreply.github.com>
Date: Mon, 13 Feb 2023 09:00:00 -0800
Subject: [PATCH] Fix 1987/wall/README.md

Refer to compiled binary and also provide more input to try.
---
 1987/wall/README.md | 24 ++++++++++++++++++++----
 1 file changed, 20 insertions(+), 4 deletions(-)

diff --git a/1987/wall/README.md b/1987/wall/README.md
index fe7af6870..e1941daef 100644
--- a/1987/wall/README.md
+++ b/1987/wall/README.md
@@ -12,12 +12,28 @@ Panorama City, CA  91402  USA
 ## Judges' comments:
 
 ### Try:
-	lwall | bc | lwall
-	input:	x*x
-	input:	c^2
+
+	./wall | bc | ./wall
+
+and input the following:
+
+	x*x
+	c^2
+	m*m
 
 ### Also try:
-	lwall | bc   and   lwall | cat
+
+	./wall | bc
+
+	./wall | cat
+
+
+and enter some input like:
+
+	x*x
+	2^x
+	quit # for the cat version
+
 
 What we found amazing was how the flow of control was transferred
 between subroutines.  Careful inspection will show that the array of