diff --git a/src/main/java/org/apache/commons/lang3/builder/MultilineRecursiveToStringStyle.java b/src/main/java/org/apache/commons/lang3/builder/MultilineRecursiveToStringStyle.java
index 6b1f90281..a41791532 100644
--- a/src/main/java/org/apache/commons/lang3/builder/MultilineRecursiveToStringStyle.java
+++ b/src/main/java/org/apache/commons/lang3/builder/MultilineRecursiveToStringStyle.java
@@ -100,9 +100,10 @@ private void resetIndent() {
     }
 
     /**
-     * Creates a string(buffer) responsible for the indenting.
+     * Creates a StringBuilder responsible for the indenting.
+     * 
      * @param spaces how far to indent
-     * @return
+     * @return a StringBuilder with {spaces} leading space characters.
      */
     private StringBuilder spacer(int spaces) {
         StringBuilder sb = new StringBuilder();