diff --git a/src/main/java/de/neemann/digital/core/memory/BlockRAMDualPort.java b/src/main/java/de/neemann/digital/core/memory/BlockRAMDualPort.java
index 6b757d94c..2e842d761 100644
--- a/src/main/java/de/neemann/digital/core/memory/BlockRAMDualPort.java
+++ b/src/main/java/de/neemann/digital/core/memory/BlockRAMDualPort.java
@@ -17,7 +17,7 @@ import de.neemann.digital.core.element.Keys;
 import static de.neemann.digital.core.element.PinInfo.input;
 
 /**
- * A memory which allows to overwrite single bytes.
+ * A synchronized read memory which can be synthesised by using block ram.
  */
 public class BlockRAMDualPort extends Node implements Element, RAMInterface {