Minor update to javadoc CTR
diff --git a/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/computer/Memory.java b/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/computer/Memory.java
index 93931c3..1b74508 100644
--- a/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/computer/Memory.java
+++ b/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/computer/Memory.java
@@ -65,8 +65,10 @@
public void set(final String key, final Object value) throws IllegalArgumentException, IllegalStateException;
/**
- * Set the value of the provided key. This is typically called in setup() and/or terminate() of the {@link VertexProgram}.
- * If this is called during execute(), there is no guarantee as to the ultimately stored value as call order is indeterminate.
+ * Set the value of the provided key. This is typically called in setup() and/or terminate() of the
+ * {@link VertexProgram}. If this is called during execute(), there is no guarantee as to the ultimately stored
+ * value as call order is indeterminate. It is up to the implementation to determine the states in which this
+ * method can be called.
*
* @param key they key to set a value for
* @param value the value to set for the key
