diff --git a/docs/Serial-Programming-HOWTO.txt b/docs/Serial-Programming-HOWTO.txt
index 0dfc8aa..8a3954b 100644
--- a/docs/Serial-Programming-HOWTO.txt
+++ b/docs/Serial-Programming-HOWTO.txt
@@ -133,7 +133,7 @@
   characters will operate on the incoming data before it is delivered to
   the user.
 
-  In non-canonical mode, incoming data is quanitified by use of the
+  In non-canonical mode, incoming data is quantified by use of the
   c_cc[VMIN and c_cc[VTIME] values in termios.c_cc[].
 
   Some programmers use the select() call to detect the completion of a