diff --git a/src/main/java/org/apache/commons/lang3/RandomUtils.java b/src/main/java/org/apache/commons/lang3/RandomUtils.java
index 95349685d..805773449 100644
--- a/src/main/java/org/apache/commons/lang3/RandomUtils.java
+++ b/src/main/java/org/apache/commons/lang3/RandomUtils.java
@@ -168,7 +168,7 @@ public class RandomUtils {
     }
 
     /**
-     * Generates a random long within 0 - Long.MAX_VALUE.
+     * Generates a random long between 0 (inclusive) and Long.MAX_VALUE (exclusive).
      *
      * @return the random long
      * @see #nextLong(long, long)