diff --git a/spring-tx/src/main/java/org/springframework/transaction/interceptor/AbstractFallbackTransactionAttributeSource.java b/spring-tx/src/main/java/org/springframework/transaction/interceptor/AbstractFallbackTransactionAttributeSource.java
index b5bb24d5f1..b1c310f1c6 100644
--- a/spring-tx/src/main/java/org/springframework/transaction/interceptor/AbstractFallbackTransactionAttributeSource.java
+++ b/spring-tx/src/main/java/org/springframework/transaction/interceptor/AbstractFallbackTransactionAttributeSource.java
@@ -69,7 +69,7 @@ public abstract class AbstractFallbackTransactionAttributeSource implements Tran
 	 * <p>As this base class is not marked Serializable, the cache will be recreated
 	 * after serialization - provided that the concrete subclass is Serializable.
 	 */
-	final Map<Object, TransactionAttribute> attributeCache = new ConcurrentHashMap<>(1024);
+	private final Map<Object, TransactionAttribute> attributeCache = new ConcurrentHashMap<>(1024);
 
 
 	/**
diff --git a/spring-webflux/src/main/java/org/springframework/web/reactive/function/server/ServerRequest.java b/spring-webflux/src/main/java/org/springframework/web/reactive/function/server/ServerRequest.java
index 5f58aff6fa..373293a7e8 100644
--- a/spring-webflux/src/main/java/org/springframework/web/reactive/function/server/ServerRequest.java
+++ b/spring-webflux/src/main/java/org/springframework/web/reactive/function/server/ServerRequest.java
@@ -40,7 +40,7 @@ import org.springframework.web.server.WebSession;
 /**
  * Represents a server-side HTTP request, as handled by a {@code HandlerFunction}.
  * Access to headers and body is offered by {@link Headers} and
- * {@link #body(BodyExtractor)} respectively.
+ * {@link #body(BodyExtractor)}, respectively.
  *
  * @author Arjen Poutsma
  * @author Sebastien Deleuze
@@ -154,8 +154,8 @@ public interface ServerRequest {
 	}
 
 	/**
-	 * Return all path variables.
-	 * @return the path variables
+	 * Return all path variables for the current request.
+	 * @return a {@code Map} from path variable name to associated value
 	 */
 	Map<String, String> pathVariables();
 
diff --git a/spring-webflux/src/main/java/org/springframework/web/reactive/function/server/ServerResponse.java b/spring-webflux/src/main/java/org/springframework/web/reactive/function/server/ServerResponse.java
index 0fe59a7d95..33744f9136 100644
--- a/spring-webflux/src/main/java/org/springframework/web/reactive/function/server/ServerResponse.java
+++ b/spring-webflux/src/main/java/org/springframework/web/reactive/function/server/ServerResponse.java
@@ -78,7 +78,7 @@ public interface ServerResponse {
 	 * @return the created builder
 	 */
 	static BodyBuilder from(ServerResponse other) {
-		Assert.notNull(other, "'other' must not be null");
+		Assert.notNull(other, "Other ServerResponse must not be null");
 		DefaultServerResponseBuilder builder = new DefaultServerResponseBuilder(other.statusCode());
 		return builder.headers(other.headers());
 	}
@@ -362,7 +362,6 @@ public interface ServerResponse {
 		 * @return the built response
 		 */
 		Mono<ServerResponse> render(String name, Map<String, ?> model);
-
 	}
 
 }