diff --git a/docs/rpn.1 b/docs/rpn.1
index 506b3c9..2197fbe 100644
--- a/docs/rpn.1
+++ b/docs/rpn.1
@@ -17,8 +17,8 @@ rpn
 
 .SH DESCRIPTION
 
-Rpn parses and and evaluates reverse polish notation expressions either from the
-standard input or by parsing its arguments. See the STANDARD INPUT section.
+Rpn evaluates reverse polish notation expressions either read from the standard
+input or parsed from provided arguments. See the STANDARD INPUT section.
 
 Upon evaluation, rpn will print the resulting number on the stack to the
 standard output. Any further specified numbers will be placed at the end of the