diff --git a/core/src/main/java/org/bitcoinj/core/Block.java b/core/src/main/java/org/bitcoinj/core/Block.java
index 4b13411b0..d1d6ca4dc 100644
--- a/core/src/main/java/org/bitcoinj/core/Block.java
+++ b/core/src/main/java/org/bitcoinj/core/Block.java
@@ -75,7 +75,7 @@ public class Block extends Message {
      */
     public static final int MAX_BLOCK_SIGOPS = MAX_BLOCK_SIZE / 50;
 
-    /** A value for difficultyTarget (nBits) that allows half of all possible hash solutions. Used in unit testing. */
+    /** A value for difficultyTarget (nBits) that allows (slightly less than) half of all possible hash solutions. Used in unit testing. */
     public static final long EASIEST_DIFFICULTY_TARGET = 0x207fFFFFL;
 
     /** Value to use if the block height is unknown */