Release prep (#86)V2.1.8

1 files changed, 2 insertions, 5 deletions

diff --git a/README.md b/README.md
index f589116..645a069 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@
 * Unlimited variable name lengths
 * String support, as function parameters or as evaluated as a number by PHP
 * Exceptions on divide by zero, or treat as zero
-* Unary Minus (e.g. -3)
+* Unary Plus and Minus (e.g. +3 or -sin(12))
 * Pi ($pi) and Euler's number ($e) support to 11 decimal places
 * Easily extensible
 
@@ -176,9 +176,6 @@ $executor->addOperator("/", false, 180, function($a, $b) {
 echo $executor->execute('1/0');
 ```
 
-## Unary Minus Operator:
-Negative numbers are supported via the unary minus operator. Positive numbers are not explicitly supported as unsigned numbers are assumed positive.
-
 ## String Support:
 Expressions can contain double or single quoted strings that are evaluated the same way as PHP evalutes strings as numbers. You can also pass strings to functions.
 
@@ -202,4 +199,4 @@ Full class documentation via [PHPFUI/InstaDoc](http://phpfui.com/?n=NXP&c=MathEx
 
 ## Future Enhancements
 
-This package will continue to track currently supported versions of PHP.  PHP 7.1 and earlier support will be dropped when PHP 8 is released.
+This package will continue to track currently supported versions of PHP.