8 files changed, 8 insertions, 8 deletions
diff --git a/gdb/testsuite/gdb.base/bt-on-fatal-signal.exp b/gdb/testsuite/gdb.base/bt-on-fatal-signal.exp
index 9bed64a..81a634d 100644
--- a/gdb/testsuite/gdb.base/bt-on-fatal-signal.exp
+++ b/gdb/testsuite/gdb.base/bt-on-fatal-signal.exp
@@ -13,7 +13,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-# Test the 'maint set backtrace-on-fatal-signal' behaviour.  Start up
+# Test the 'maint set backtrace-on-fatal-signal' behavior.  Start up
 # GDB, turn on backtrace-on-fatal-signal, then send fatal signals to
 # GDB and ensure we see the backtrace.
 
diff --git a/gdb/testsuite/gdb.base/cached-source-file.exp b/gdb/testsuite/gdb.base/cached-source-file.exp
index a2df5dc..b063362 100644
--- a/gdb/testsuite/gdb.base/cached-source-file.exp
+++ b/gdb/testsuite/gdb.base/cached-source-file.exp
@@ -124,7 +124,7 @@ file rename -force -- $bkpsrc $srcfile
 # As before, delay so that at least one second has passed.  GDB still
 # will not spot that the source file has changed, as GDB doesn't do a
 # time check unless the binary has also changed, this delay just
-# allows us to confirm this behaviour.
+# allows us to confirm this behavior.
 sleep 1
 
 # List the printf line again, we should not see the file changes yet
diff --git a/gdb/testsuite/gdb.base/callexit.exp b/gdb/testsuite/gdb.base/callexit.exp
index 692d9d0..f2b0838 100644
--- a/gdb/testsuite/gdb.base/callexit.exp
+++ b/gdb/testsuite/gdb.base/callexit.exp
@@ -33,7 +33,7 @@ if { ![runto_main] } {
     return 0
 }
 
-# Verify set may-call-functions behaviour.
+# Verify set may-call-functions behavior.
 gdb_test_no_output "set may-call-functions off"
 gdb_test "call callexit()" \
     "Cannot call functions in the program: may-call-functions is off." \
diff --git a/gdb/testsuite/gdb.base/condbreak.exp b/gdb/testsuite/gdb.base/condbreak.exp
index 3b619e4..1f07bb5 100644
--- a/gdb/testsuite/gdb.base/condbreak.exp
+++ b/gdb/testsuite/gdb.base/condbreak.exp
@@ -252,7 +252,7 @@ gdb_test "with breakpoint pending off -- break main ta 999 if (1==1)" \
 # as " - force - condition", that is, subtraction of the symbol
 # "force" followed by subtraction of symbol "context".  This is really
 # just a quirk of how this used to be implemented, and should maybe be
-# changed in the future.  However, for now GDB retains this behaviour.
+# changed in the future.  However, for now GDB retains this behavior.
 gdb_test "break *main if (1==1) -force-condition" \
     "No symbol \"force\" in current context\\."
 
diff --git a/gdb/testsuite/gdb.base/define-prefix.exp b/gdb/testsuite/gdb.base/define-prefix.exp
index 5695c1a..81d3a56 100644
--- a/gdb/testsuite/gdb.base/define-prefix.exp
+++ b/gdb/testsuite/gdb.base/define-prefix.exp
@@ -152,7 +152,7 @@ gdb_test "abc-prefix def-prefix ghi-prefix-cmd alternate-jkl-cmd" \
     "use user command after redefining ghi-prefix-cmd: alternate-jkl-cmd"
 
 ####################
-# Check error behaviour.
+# Check error behavior.
 
 gdb_test "define-prefix print" ".* is built-in.*"
 
diff --git a/gdb/testsuite/gdb.base/exitsignal.exp b/gdb/testsuite/gdb.base/exitsignal.exp
index 85fd956..2d6fc03 100644
--- a/gdb/testsuite/gdb.base/exitsignal.exp
+++ b/gdb/testsuite/gdb.base/exitsignal.exp
@@ -80,7 +80,7 @@ gdb_test "print \$_exitsignal" " = 11" \
 gdb_test "print \$_exitcode" " = void" \
     "\$_exitcode is still void after restarting the inferior"
 
-# Now we test the behaviour of $_exit{code,signal} during a normal
+# Now we test the behavior of $_exit{code,signal} during a normal
 # inferior execution.
 standard_testfile normal.c
 
diff --git a/gdb/testsuite/gdb.base/until-trailing-insns.exp b/gdb/testsuite/gdb.base/until-trailing-insns.exp
index baa5f1f..ffd5df8 100644
--- a/gdb/testsuite/gdb.base/until-trailing-insns.exp
+++ b/gdb/testsuite/gdb.base/until-trailing-insns.exp
@@ -74,7 +74,7 @@
 # range.  It is only when GDB exits the loop that we leave the stepping
 # range, and the stepping finishes at address 0x114.
 #
-# This test checks this behaviour using the DWARF assembler.
+# This test checks this behavior using the DWARF assembler.
 
 load_lib dwarf.exp
 
diff --git a/gdb/testsuite/gdb.base/wrap-line.exp b/gdb/testsuite/gdb.base/wrap-line.exp
index 323cd6c..d5001bf 100644
--- a/gdb/testsuite/gdb.base/wrap-line.exp
+++ b/gdb/testsuite/gdb.base/wrap-line.exp
@@ -20,7 +20,7 @@
 require {!is_remote host}
 
 # Test both ansi (no auto-wrap) and xterm (auto-wrap).  Also test dumb, which
-# shows the effective behaviour on stub-termcap systems, regardless of the
+# shows the effective behavior on stub-termcap systems, regardless of the
 # TERM setting.
 set terms {ansi xterm dumb}