diff --git a/doc/dvm.asciidoc b/doc/dvm.asciidoc
index 79227ae..02353de 100644
--- a/doc/dvm.asciidoc
+++ b/doc/dvm.asciidoc
@@ -91,7 +91,7 @@ The operand is converted to a `bool` at runtime by the virtual machine.
 
 === Move Register
 
-Copies the value in one register to another.
+Moves or copies (see below) the value in one register to another.
 
 [source]
 ----
@@ -101,6 +101,9 @@ mov_register(
 )
 ----
 
+For `Byte`, `Int`, `Long`, `USize`, `Double`, and `Boolean`, the value is **copied** to the register. For `Object`
+values, the value is **moved**, meaning that register takes ownership of the referenced object.
+
 === Load
 
 Loads the target register with the `DvmValue` inner value stored in the field at `field_index` in the object in the