Spelling fixes.

3 files changed, 3 insertions, 3 deletions

diff --git a/doc/misc/ada-mode.texi b/doc/misc/ada-mode.texi
index 66cdb200111..1f4f1d5d05d 100644
--- a/doc/misc/ada-mode.texi
+++ b/doc/misc/ada-mode.texi
@@ -209,7 +209,7 @@ whose extension is @file{.ads}, it will take the first available file
 that ends with either @file{.adb}, @file{_b.ada} or
 @file{.body}.
 
-Simililarly, if Ada mode is looking for a spec, it will look for
+Similarly, if Ada mode is looking for a spec, it will look for
 @file{.ads} or @file{_s.ada}.
 
 If the filename is not derived from the Ada name following the GNAT
diff --git a/doc/misc/ert.texi b/doc/misc/ert.texi
index d802e4259f5..00755262075 100644
--- a/doc/misc/ert.texi
+++ b/doc/misc/ert.texi
@@ -389,7 +389,7 @@ This checks that dividing one by zero signals an error of type
 @code{arith-error}.  The @code{:type} argument to @code{should-error}
 is optional; if absent, any type of error is accepted.
 @code{should-error} returns an error description of the error that was
-signalled, to allow additional checks to be made.  The error
+signaled, to allow additional checks to be made.  The error
 description has the format @code{(ERROR-SYMBOL . DATA)}.
 
 There is no @code{should-not-error} macro since tests that signal an
diff --git a/doc/misc/sem-user.texi b/doc/misc/sem-user.texi
index b17f1ab7e93..463276f9fd0 100644
--- a/doc/misc/sem-user.texi
+++ b/doc/misc/sem-user.texi
@@ -608,7 +608,7 @@ of parsing.  The default is @code{t}.
 @node Debugging Idle Time Issues
 @subsection Debugging Idle Time Issues
 
-If you see an error signalled during idle time, it could be an
+If you see an error signaled during idle time, it could be an
 indication of a more serious issue elsewhere.  It is not enough to
 enable @code{debug-on-error}, because the idle scheduler inhibits the
 debugger.  Instead, use the following commands to debug the error: