-@c Copyright (C) 2001 Free Software Foundation, Inc.
+@c Copyright 2001 Free Software Foundation, Inc.
@c This is part of the GAS manual.
@c For copying conditions, see the file as.texinfo.
@ifset GENERIC
The default is to generate position-independent code.
@end table
-@subsection Instruction Set Extention Options
+@subsection Instruction Set Extension Options
These options enables or disables the use of extensions over the base
line instruction set as introduced by the first PDP-11 CPU: the KA11.
@cindex -mcis
@cindex -mno-cis
@item -mcis | -mno-cis
-Enable (or disable) the use of the commersial instruction set, which
+Enable (or disable) the use of the commercial instruction set, which
consists of these instructions: @code{ADDNI}, @code{ADDN}, @code{ADDPI},
@code{ADDP}, @code{ASHNI}, @code{ASHN}, @code{ASHPI}, @code{ASHP},
@code{CMPCI}, @code{CMPC}, @code{CMPNI}, @code{CMPN}, @code{CMPPI},
@cindex -mno-kev11
@item -mfis | -mkev11
@itemx -mno-fis | -mno-kev11
-Enable (or diasble) the use of the KEV11 floating-point instructions:
+Enable (or disable) the use of the KEV11 floating-point instructions:
@code{FADD}, @code{FDIV}, @code{FMUL}, and @code{FSUB}.
@cindex -mfpp