Spelling fixes

3 files changed, 4 insertions, 4 deletions

diff --git a/test/src/buffer-tests.el b/test/src/buffer-tests.el
index 4ab99c131d0..5fd37520f70 100644
--- a/test/src/buffer-tests.el
+++ b/test/src/buffer-tests.el
@@ -646,7 +646,7 @@ with parameters from the *Messages* buffer modification."
 (deftest-overlays-at-1 R 50 (a) (a 1 60) (c 1 1) (b 30 30) (d 50 50))
 (deftest-overlays-at-1 S 60 () (a 1 60) (c 1 1) (b 30 30) (d 50 50))
 
-;; behaviour at point-min and point-max
+;; behavior at point-min and point-max
 (ert-deftest test-overlays-at-2 ()
   (cl-macrolet ((should-length (n list)
                                `(should (= ,n (length ,list)))))
@@ -743,7 +743,7 @@ with parameters from the *Messages* buffer modification."
 (deftest-overlays-in-1 af 10 11 (a) (a 10 10))
 
 
-;; behaviour at point-max
+;; behavior at point-max
 (ert-deftest test-overlays-in-2 ()
   (cl-macrolet ((should-length (n list)
                                `(should (= ,n (length ,list)))))
diff --git a/test/src/casefiddle-tests.el b/test/src/casefiddle-tests.el
index 54793f2cda4..3a93ba11b4b 100644
--- a/test/src/casefiddle-tests.el
+++ b/test/src/casefiddle-tests.el
@@ -196,7 +196,7 @@
         ("fish" "FISH" "fish" "Fish" "Fish")
         ("Straße" "STRASSE" "straße" "Straße" "Straße")
 
-        ;; The word repeated twice to test behaviour at the end of a word
+        ;; The word repeated twice to test behavior at the end of a word
         ;; inside of an input string as well as at the end of the string.
         ("ΌΣΟΣ ΌΣΟΣ" "ΌΣΟΣ ΌΣΟΣ" "όσος όσος" "Όσος Όσος" "ΌΣΟΣ ΌΣΟΣ")
         ;; What should be done with sole sigma?  It is ‘final’ but on the
diff --git a/test/src/fns-tests.el b/test/src/fns-tests.el
index 6236c9276d2..93f7f63847f 100644
--- a/test/src/fns-tests.el
+++ b/test/src/fns-tests.el
@@ -237,7 +237,7 @@
   (apply 'concat (make-list o s)))
 
 (defmacro fns-tests--with-region (funcname string &rest args)
-  "Apply FUNCNAME in a temp bufer on the region produced by STRING."
+  "Apply FUNCNAME in a temp buffer on the region produced by STRING."
   (declare (indent 1))
   `(with-temp-buffer
      (insert ,string)