Update wbc.orogen

Fix documentation of parameter

wbc.orogen

@@ -63,7 +63,7 @@ task_context "WbcTask" do
              (b) the actual task space motion")
 
     property("integrate", "bool", true).
-        doc("Perform numerical integration on the solver output, e.g. if output is acceleration type, integrate twice to get velocity and acceleration")
+        doc("Perform numerical integration on the solver output, e.g. if output is acceleration type, integrate twice to get velocity and position")
 
     # These dynamic ports are created according to the 'wbc_config' (see above)