update wp image name and label

charts/wordpress/v1.0.5/questions.yml

@@ -21,14 +21,14 @@ questions:
     label: Image Tag
   - variable: mariadb.image.repository
     default: "bitnami/mariadb"
-    description: "WordPress image name"
+    description: "MariaDB image name"
     type: string
-    label: WordPress Image Name
+    label: MariaDB Image Name
   - variable: mariadb.image.tag
     default: "10.1.32"
-    description: "WordPress image tag"
+    description: "MariaDB image tag"
     type: string
-    label: Image Tag
+    label: MariaDB Image Tag
 - variable: wordpressUsername
   default: "user"
   description: "User of the application"