Fix mistake in createNode.

hpvm/docs/hpvm-specification.md

@@ -71,7 +71,7 @@ The intrinsics for describing graphs can only be used by internal nodes. Also, i
 
 
 ```i8* llvm.hpvm.createNode(i8* F)```  
-Create a static dataflow node with no dynamic instances executing node function ```F```. Return a handle to the created node.
+Create a static dataflow node with one dynamic instances executing node function ```F```. Return a handle to the created node.
 
 ```i8* llvm.hpvm.createNode1D(i8* F, i64 n1)```  
 Create a static dataflow node with ```n1``` dynamic instances executing node function ```F```. Return a handle to the created node.