diff --git a/spring-core/src/main/java/org/springframework/core/io/buffer/DefaultDataBuffer.java b/spring-core/src/main/java/org/springframework/core/io/buffer/DefaultDataBuffer.java
index ba4bc44724..eb511f4b3f 100644
--- a/spring-core/src/main/java/org/springframework/core/io/buffer/DefaultDataBuffer.java
+++ b/spring-core/src/main/java/org/springframework/core/io/buffer/DefaultDataBuffer.java
@@ -431,7 +431,7 @@ public class DefaultDataBuffer implements DataBuffer {
 
 	@Override
 	public String toString() {
-		return String.format("DefaultDataBuffer (r: %d, w %d, c %d)",
+		return String.format("DefaultDataBuffer (r: %d, w: %d, c: %d)",
 				this.readPosition, this.writePosition, this.capacity);
 	}