Spelling fixes

10 files changed, 15 insertions, 15 deletions

diff --git a/doc/emacs/macos.texi b/doc/emacs/macos.texi
index 87484f00e40..8a40d11fc28 100644
--- a/doc/emacs/macos.texi
+++ b/doc/emacs/macos.texi
@@ -99,7 +99,7 @@ keys and the fullscreen behavior.  To see all such options, use
 
 @subsection Modifier keys
 
-The following variables control the behaviour of the actual modifier
+The following variables control the behavior of the actual modifier
 keys:
 
 @table @code
@@ -135,12 +135,12 @@ which describes the modifier when used with ordinary keys, function keys
 If the @var{symbol} is one of @code{control}, @code{meta}, @code{alt},
 @code{super} or @code{hyper}, this describes the Emacs modifier it
 represents.  If @var{symbol} is @code{none}, Emacs does not use the
-key, which retains its standard behaviour.  For instance, the
+key, which retains its standard behavior.  For instance, the
 @key{Option} key in macOS is then used for composing additional
 characters.
 
 The variables for right-hand keys, like @code{ns-right-alternate-modifier},
-may also be set to @code{left}, which means to use the same behaviour as
+may also be set to @code{left}, which means to use the same behavior as
 the corresponding left-hand key.
 
 @subsection Font Panel
@@ -210,7 +210,7 @@ the mouse.
 
 The sending application has some limited ability to decide how Emacs
 handles the sent object, but the user may override the default
-behaviour by holding one or more modifier key.
+behavior by holding one or more modifier key.
 
 @table @kbd
 @item control
@@ -220,7 +220,7 @@ will insert the filename.
 Attempt to open the object as though it is a file or URL.
 @item super/command
 Perform the default action for the type.  This can be useful when an
-application is overriding the default behaviour.
+application is overriding the default behavior.
 @end table
 
 The modifier keys listed above are defined by macOS and are unaffected
diff --git a/doc/lispintro/emacs-lisp-intro.texi b/doc/lispintro/emacs-lisp-intro.texi
index 710e64f4570..3d8e5128403 100644
--- a/doc/lispintro/emacs-lisp-intro.texi
+++ b/doc/lispintro/emacs-lisp-intro.texi
@@ -103,7 +103,7 @@
 @c number suitable for the title page, and update-date to be the date,
 @c in the preferred style for these.  E.g., run the shell command:
 @c   texi2any -D 'edition-number 3.11' \
-@c            -D 'titlepage-edition-number Revised Third Edtion' \
+@c            -D 'titlepage-edition-number Revised Third Edition' \
 @c            -D 'update-date 31 March 2020'
 @c This relates mainly to the published book sold by the FSF.
 
@@ -3832,7 +3832,7 @@ delimit them from the body of the @code{let}.
 @findex if
 @cindex Conditional with @code{if}
 
-Anoter special form is the conditional @code{if}.  This form is used
+Another special form is the conditional @code{if}.  This form is used
 to instruct the computer to make decisions.  You can write function
 definitions without using @code{if}, but it is used often enough, and
 is important enough, to be included here.  It is used, for example, in
diff --git a/doc/lispref/display.texi b/doc/lispref/display.texi
index 48a41f53677..7f77d11d928 100644
--- a/doc/lispref/display.texi
+++ b/doc/lispref/display.texi
@@ -5622,7 +5622,7 @@ area from the left of the original image, and if negative the offset
 from the right.  If @var{y} is a positive number it specifies the
 offset from the top of the original image, and if negative from the
 bottom.  If @var{x} or @var{y} are @code{nil} or unspecified the crop
-area will be centred on the original image.
+area will be centered on the original image.
 
 If the crop area is outside or overlaps the edge of the image it will
 be reduced to exclude any areas outside of the image.  This means it
diff --git a/doc/lispref/internals.texi b/doc/lispref/internals.texi
index f91d5b3423d..013504680bb 100644
--- a/doc/lispref/internals.texi
+++ b/doc/lispref/internals.texi
@@ -565,7 +565,7 @@ for threshold exhaustion regularly, for efficiency reasons it does not
 do so immediately after every change to the heap or to
 @code{gc-cons-threshold} or @code{gc-cons-percentage}, so exhausting
 the threshold does not immediately trigger garbage collection.  Also,
-for efficency in threshold calculations Emacs approximates the heap
+for efficiency in threshold calculations Emacs approximates the heap
 size, which counts the bytes used by currently-accessible objects in
 the heap.
 
diff --git a/doc/lispref/processes.texi b/doc/lispref/processes.texi
index e33ae287ff9..47ce7c8f900 100644
--- a/doc/lispref/processes.texi
+++ b/doc/lispref/processes.texi
@@ -2990,7 +2990,7 @@ broadcast address, and network mask.
 Optional argument @var{family} specified as symbol @code{ipv4} or
 @code{ipv6} restricts the returned information to IPv4 and IPv6
 addresses respectively, independently of the value of @var{full}.
-Speficying @code{ipv6} when IPv6 support is not available will result
+Specifying @code{ipv6} when IPv6 support is not available will result
 in an error being signaled.
 
 Some examples:
diff --git a/doc/lispref/searching.texi b/doc/lispref/searching.texi
index 74b15cfc7fd..0cb30010c5e 100644
--- a/doc/lispref/searching.texi
+++ b/doc/lispref/searching.texi
@@ -1032,7 +1032,7 @@ In conventional string syntax, it would be written
 The @code{rx} notation is mainly useful in Lisp code; it cannot be
 used in most interactive situations where a regexp is requested, such
 as when running @code{query-replace-regexp} or in variable
-customisation.
+customization.
 
 @menu
 * Rx Constructs::       Constructs valid in rx forms.
diff --git a/doc/misc/efaq.texi b/doc/misc/efaq.texi
index 29461bec7a6..0e569fa60cd 100644
--- a/doc/misc/efaq.texi
+++ b/doc/misc/efaq.texi
@@ -3218,7 +3218,7 @@ You can tell Emacs the shell's current directory with the command
 @item
 Third party packages.
 
-Any package you install into Emacs can run arbtitrary code with the
+Any package you install into Emacs can run arbitrary code with the
 same privileges as the Emacs process itself.  Be aware of this when
 you use the package system (e.g. @code{M-x list-packages}) with third
 party archives.  Use only third parties that you can trust!
diff --git a/doc/misc/flymake.texi b/doc/misc/flymake.texi
index 21653b4a6d0..fc5ff54c637 100644
--- a/doc/misc/flymake.texi
+++ b/doc/misc/flymake.texi
@@ -548,7 +548,7 @@ by calling the function @code{flymake-make-diagnostic}.
 Make a Flymake diagnostic for @var{buffer}'s region from @var{beg} to
 @var{end}.  @var{type} is a diagnostic symbol (@pxref{Flymake error
 types}), and @var{text} is a description of the problem detected in
-this region.  Currently, it is unspecified behaviour to make
+this region.  Currently, it is unspecified behavior to make
 diagnostics for buffers other than the buffer that the Flymake backend
 is responsible for.
 @end deffn
diff --git a/doc/misc/org.texi b/doc/misc/org.texi
index f7818a24ca5..7866fcfd5f6 100644
--- a/doc/misc/org.texi
+++ b/doc/misc/org.texi
@@ -8648,7 +8648,7 @@ takes precedence over an @samp{ID} property defined on the node itself.
 @item @code{org-attach-method}
 @vindex org-attach-method
 When attaching files using the dispatcher @kbd{C-c C-a} it
-defaults to copying files.  The behaviour can be changed by
+defaults to copying files.  The behavior can be changed by
 customizing @code{org-attach-method}.  Options are Copy, Move/Rename,
 Hard link or Symbolic link.
 
diff --git a/doc/misc/texinfo.tex b/doc/misc/texinfo.tex
index 1ea515b2ae4..8329c1f6fab 100644
--- a/doc/misc/texinfo.tex
+++ b/doc/misc/texinfo.tex
@@ -7690,7 +7690,7 @@ might help (with 'rm \jobname.?? \jobname.??s')%
 % If SUBTOPIC is present, precede it with a space, and call \doind.
 % (At some time during the 20th century, this made a two-level entry in an
 % index such as the operation index.  Nobody seemed to notice the change in
-% behaviour though.)
+% behavior though.)
 \def\dosubind#1#2#3{%
   \def\thirdarg{#3}%
   \ifx\thirdarg\empty