diff --git a/avrdude.1 b/avrdude.1
index 7bda0275..51764b14 100644
--- a/avrdude.1
+++ b/avrdude.1
@@ -1,7 +1,7 @@
 .\"
 .\" avrdude - A Downloader/Uploader for AVR device programmers
 .\" Copyright (C) 2001, 2002, 2003, 2005 - 2014  Joerg Wunsch
-.\
+.\"
 .\" This program is free software; you can redistribute it and/or modify
 .\" it under the terms of the GNU General Public License as published by
 .\" the Free Software Foundation; either version 2 of the License, or
@@ -983,7 +983,7 @@ the above
 and 
 .Ar rawfreq=
 parameters unavailable. Be aware that ASCII mode is not guaranteed to work
-with newer firmware versions, and is retained only to maintain compatability
+with newer firmware versions, and is retained only to maintain compatibility
 with older firmware versions.
 .It Ar nopagedwrite
 Firmware versions 5.10 and newer support a binary mode SPI command that enables
@@ -1121,7 +1121,7 @@ The USBasp and USBtinyISP drivers do not offer any option to distinguish multipl
 devices connected simultaneously, so effectively only a single device
 is supported.
 .Pp
-The avrftdi driver allows to select specific devices using any combination of vid,pid
+The avrftdi driver allows one to select specific devices using any combination of vid,pid
 serial number (usbsn) vendor description (usbvendoror part description (usbproduct)
 as seen with lsusb or whatever tool used to view USB device information. Multiple 
 devices can be on the bus at the same time. For the H parts, which have multiple MPSSE
diff --git a/doc/avrdude.texi b/doc/avrdude.texi
index e3816647..66f583ba 100644
--- a/doc/avrdude.texi
+++ b/doc/avrdude.texi
@@ -839,7 +839,7 @@ the above
 and
 @samp{rawfreq=}
 parameters unavailable. Be aware that ASCII mode is not guaranteed to work
-with newer firmware versions, and is retained only to maintain compatability
+with newer firmware versions, and is retained only to maintain compatibility
 with older firmware versions.
 
 @item @samp{nopagedwrite}