fix typo in comment of why using mariadb instead of mysql for arm64 arch

Signed-off-by: Guillaume Lours <guillaume.lours@docker.com>

sparkjava-mysql/README.md

@@ -22,7 +22,7 @@ services:
     ports:
     - 8080:8080
   db:
-    # We use a mariadb image which support both amd64 & arm64 architecture
+    # We use a mariadb image which supports both amd64 & arm64 architecture
     image: mariadb:10.6.4-focal
     # If you really want to use MySQL, uncomment the following line
     #image: mysql:8.0.27

sparkjava-mysql/docker-compose.yaml

@@ -6,7 +6,7 @@ services:
     secrets:
       - db-password
   db:
-    # We use a mariadb image which support both amd64 & arm64 architecture
+    # We use a mariadb image which supports both amd64 & arm64 architecture
     image: mariadb:10.6.4-focal
     # If you really want to use MySQL, uncomment the following line
     #image: mysql:8.0.27