Fix typos

See gh-2019

spring-aop/src/main/java/org/aopalliance/intercept/MethodInvocation.java

@@ -32,7 +32,7 @@ public interface MethodInvocation extends Invocation {
 
 	/**
 	 * Get the method being called.
-	 * <p>This method is a frienly implementation of the
+	 * <p>This method is a friendly implementation of the
 	 * {@link Joinpoint#getStaticPart()} method (same result).
 	 * @return the method being called
 	 */

spring-aop/src/main/java/org/springframework/aop/aspectj/AbstractAspectJAdvice.java

@@ -63,7 +63,7 @@ import org.springframework.util.StringUtils;
 public abstract class AbstractAspectJAdvice implements Advice, AspectJPrecedenceInformation, Serializable {
 
 	/**
-	 * Key used in ReflectiveMethodInvocation userAtributes map for the current joinpoint.
+	 * Key used in ReflectiveMethodInvocation userAttributes map for the current joinpoint.
 	 */
 	protected static final String JOIN_POINT_KEY = JoinPoint.class.getName();