1 files changed, 1 insertions, 0 deletions
diff --git a/src/main/java/org/apache/commons/lang3/builder/ToStringBuilder.java b/src/main/java/org/apache/commons/lang3/builder/ToStringBuilder.java
index 020ca4475..231d3fc7a 100644
--- a/src/main/java/org/apache/commons/lang3/builder/ToStringBuilder.java
+++ b/src/main/java/org/apache/commons/lang3/builder/ToStringBuilder.java
@@ -907,6 +907,7 @@ public class ToStringBuilder implements Builder<String> {
      *
      * @param srcObject  the {@link Object} whose class name and id to output
      * @return this
+     * @throws NullPointerException if {@code srcObject} is {@code null}
      * @since 2.0
      */
     public ToStringBuilder appendAsObjectToString(final Object srcObject) {