Fix typos in method names and javadoc; update the documentation to ensure it is more understandable and coherent.

Author: cmabdullah

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/SanitizableData.java

@@ -76,7 +76,7 @@ public Object getValue() {
 	}
 
 	/**
-	 * Return a new {@link SanitizableData} instance with sanatized value.
+	 * Return a new {@link SanitizableData} instance with sanitized value.
 	 * @return a new sanitizable data instance.
 	 * @since 3.1.0
 	 */

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/annotation/DiscoveredOperationMethod.java

@@ -44,11 +44,11 @@ public DiscoveredOperationMethod(Method method, OperationType operationType,
 		Assert.notNull(annotationAttributes, "AnnotationAttributes must not be null");
 		List<String> producesMediaTypes = new ArrayList<>();
 		producesMediaTypes.addAll(Arrays.asList(annotationAttributes.getStringArray("produces")));
-		producesMediaTypes.addAll(getProducesFromProducable(annotationAttributes));
+		producesMediaTypes.addAll(getProducesFromProducible(annotationAttributes));
 		this.producesMediaTypes = Collections.unmodifiableList(producesMediaTypes);
 	}
 
-	private <E extends Enum<E> & Producible<E>> List<String> getProducesFromProducable(
+	private <E extends Enum<E> & Producible<E>> List<String> getProducesFromProducible(
 			AnnotationAttributes annotationAttributes) {
 		Class<?> type = getProducesFrom(annotationAttributes);
 		if (type == Producible.class) {

spring-boot-project/spring-boot-docs/src/docs/antora/modules/reference/pages/testing/testcontainers.adoc

@@ -3,7 +3,7 @@
 
 The https://www.testcontainers.org/[Testcontainers] library provides a way to manage services running inside Docker containers.
 It integrates with JUnit, allowing you to write a test class that can start up a container before any of the tests run.
-Testcontainers is especially useful for writing integration tests that talk to a real backend service such as MySQL, MongoDB, Cassandra and others.
+Testcontainers are especially useful for writing integration tests that talk to a real backend service such as MySQL, MongoDB, Cassandra and others.
 
 Testcontainers can be used in a Spring Boot test as follows:
 

spring-boot-project/spring-boot-test/src/main/java/org/springframework/boot/test/context/SpringBootContextLoader.java

@@ -141,7 +141,7 @@ private void assertHasClassesOrLocations(MergedContextConfiguration mergedConfig
 		boolean hasClasses = !ObjectUtils.isEmpty(mergedConfig.getClasses());
 		boolean hasLocations = !ObjectUtils.isEmpty(mergedConfig.getLocations());
 		Assert.state(hasClasses || hasLocations,
-				() -> "No configuration classes or locations found in @SpringApplicationConfiguration. "
+				() -> "No configuration classes or locations are found in @SpringApplicationConfiguration. "
 						+ "For default configuration detection to work you need Spring 4.0.3 or better (found "
 						+ SpringVersion.getVersion() + ").");
 	}