diff --git a/THANKS b/THANKS
index 12086a9a..c19cc799 100644
--- a/THANKS
+++ b/THANKS
@@ -95,6 +95,7 @@ Michiel De Wilde          mdewilde.agilent@gmail.com
 Mickael Labau             labau_m@epita.fr
 Mike Castle               dalgoda@ix.netcom.com
 Mike Sullivan             Mike.sullivan@Oracle.COM
+Nate Guerin               nathan.guerin@riseup.net
 Neil Booth                NeilB@earthling.net
 Nelson H. F. Beebe        beebe@math.utah.edu
 Nick Bowler               nbowler@elliptictech.com
diff --git a/doc/bison.texi b/doc/bison.texi
index 8b1c246f..12d50a7e 100644
--- a/doc/bison.texi
+++ b/doc/bison.texi
@@ -8932,7 +8932,7 @@ clear the flag.
 
 Developing a parser can be a challenge, especially if you don't understand
 the algorithm (@pxref{Algorithm, ,The Bison Parser Algorithm}).  This
-chapter explains how understand and debug a parser.
+chapter explains how to understand and debug a parser.
 
 The first sections focus on the static part of the parser: its structure.
 They explain how to generate and read the detailed description of the