Update 2_3_common_states.adoc

small changes to make it less likely that someone misinterprate it, maybe need to ad some symbols to continuous-time state to make it linkable?

docs/2_3_common_states.adoc

@@ -553,7 +553,7 @@ a|
 Allowed Function Calls::
 
 Function <<get-and-set-variable-values,`fmi3Set{VariableType}`>>::
-This function can be called for variables with <<causality>> = <<input>>, <<causality>> = <<parameter>> and <<variability>> = <<tunable>>, and <<reinit>> = `false`.
+This function can be called for variables with <<causality>> = <<input>>, <<causality>> = <<parameter>>, <<variability>> = <<tunable>> and continuous-time states with <<reinit>> = `false`.
 
 Functions <<get-and-set-variable-values,`fmi3Get{VariableType}`>>::
 Getting variables might trigger <<selective-computation,computations>>.