Update README

diff --git a/README b/README
index 6f66efbbcf06736fc7891904d0bd92948068651e..f32fd8ecd6b370dae7f848e96bf342123aa83d65 100644 (file)
--- a/README
+++ b/README
@@ -8,9 +8,9 @@ The SIMPLE processor expects input in a particular tagged-pointer
 format. This module takes a string containing a sequence of
 S-expressions. Each S-expression is a list of one of three types:
 
-(tag value), for example (symbol nil), represents a value to be
+(tag value), for example (symbol 2), represents a value to be
 put in memory (for example a number, or a symbol, or a variable
-reference).
+reference). The value must be a number.
 
 (tag list), where list is of one of these three types,
 represents a tagged pointer. In this case, list is (recursively)
@@ -44,6 +44,7 @@ DEPENDENCIES
 This module requires these other modules and libraries:
 
 * Data::SExpression
+* List::MoreUtils
 
 COPYRIGHT AND LICENCE