Polish javadoc of TestImage for consistency

See gh-42426

Author: quaff

spring-boot-project/spring-boot-tools/spring-boot-test-support-docker/src/main/java/org/springframework/boot/testsupport/container/TestImage.java

@@ -84,14 +84,14 @@ public enum TestImage {
 			(container) -> ((CassandraContainer<?>) container).withStartupTimeout(Duration.ofMinutes(10))),
 
 	/**
-	 * A Docker image suitable for running.
+	 * A container image suitable for testing Couchbase.
 	 */
 	COUCHBASE("couchbase/server", "7.1.4", () -> CouchbaseContainer.class,
 			(container) -> ((CouchbaseContainer) container).withStartupAttempts(5)
 				.withStartupTimeout(Duration.ofMinutes(10))),
 
 	/**
-	 * A Docker image suitable for Elasticsearch 7.
+	 * A container image suitable for testing Elasticsearch 7.
 	 */
 	ELASTICSEARCH("docker.elastic.co/elasticsearch/elasticsearch", "7.17.5", () -> ElasticsearchContainer.class,
 			(container) -> ((ElasticsearchContainer) container).withEnv("ES_JAVA_OPTS", "-Xms32m -Xmx512m")
@@ -130,7 +130,7 @@ public enum TestImage {
 	MARIADB("mariadb", "10.10"),
 
 	/**
-	 * A Docker image suitable for MongoDB.
+	 * A container image suitable for testing MongoDB.
 	 */
 	MONGODB("mongo", "5.0.17", () -> MongoDBContainer.class,
 			(container) -> ((MongoDBContainer) container).withStartupAttempts(5)
@@ -213,7 +213,7 @@ public enum TestImage {
 			(container) -> ((RedpandaContainer) container).withStartupTimeout(Duration.ofMinutes(5))),
 
 	/**
-	 * A container image suitable for testing a Docker registry.
+	 * A container image suitable for testing Docker Registry.
 	 */
 	REGISTRY("registry", "2.7.1", () -> RegistryContainer.class,
 			(container) -> ((RegistryContainer) container).withStartupAttempts(5)
@@ -245,7 +245,7 @@ public enum TestImage {
 	BITNAMI_MARIADB("bitnami/mariadb", "11.2.3"),
 
 	/**
-	 * A Docker image suitable for MongoDB via Bitnami.
+	 * A container image suitable for testing MongoDB via Bitnami.
 	 */
 	BITNAMI_MONGODB("bitnami/mongodb", "7.0.5"),