diff --git a/git-difftool--helper.sh b/git-difftool--helper.sh
index 2b11b1d6fe..84d6cc021c 100755
--- a/git-difftool--helper.sh
+++ b/git-difftool--helper.sh
@@ -44,10 +44,10 @@ launch_merge_tool () {
 			"$GIT_DIFF_PATH_TOTAL" "$MERGED"
 		if use_ext_cmd
 		then
-			printf "Launch '%s' [Y/n]: " \
+			printf "Launch '%s' [Y/n]? " \
 				"$GIT_DIFFTOOL_EXTCMD"
 		else
-			printf "Launch '%s' [Y/n]: " "$merge_tool"
+			printf "Launch '%s' [Y/n]? " "$merge_tool"
 		fi
 		read ans || return
 		if test "$ans" = n
diff --git a/git-mergetool--lib.sh b/git-mergetool--lib.sh
index 54ac8e4846..92adcc0d07 100644
--- a/git-mergetool--lib.sh
+++ b/git-mergetool--lib.sh
@@ -100,7 +100,7 @@ check_unchanged () {
 		while true
 		do
 			echo "$MERGED seems unchanged."
-			printf "Was the merge successful? [y/n] "
+			printf "Was the merge successful [y/n]? "
 			read answer || return 1
 			case "$answer" in
 			y*|Y*) return 0 ;;
diff --git a/git-mergetool.sh b/git-mergetool.sh
index f67bab55e8..bf862705d8 100755
--- a/git-mergetool.sh
+++ b/git-mergetool.sh
@@ -413,7 +413,7 @@ done
 prompt_after_failed_merge () {
 	while true
 	do
-		printf "Continue merging other unresolved paths (y/n) ? "
+		printf "Continue merging other unresolved paths [y/n]? "
 		read ans || return 1
 		case "$ans" in
 		[yY]*)
diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh
index 4e713f7aa5..ff7a9e968f 100755
--- a/t/t7800-difftool.sh
+++ b/t/t7800-difftool.sh
@@ -20,7 +20,7 @@ difftool_test_setup ()
 prompt_given ()
 {
 	prompt="$1"
-	test "$prompt" = "Launch 'test-tool' [Y/n]: branch"
+	test "$prompt" = "Launch 'test-tool' [Y/n]? branch"
 }
 
 # Create a file on master and change it on branch