diff --git a/macros/src/main/scala/com/thaj/safe/string/interpolator/SafeString.scala b/macros/src/main/scala/com/thaj/safe/string/interpolator/SafeString.scala
index fd234fb..8947b6f 100644
--- a/macros/src/main/scala/com/thaj/safe/string/interpolator/SafeString.scala
+++ b/macros/src/main/scala/com/thaj/safe/string/interpolator/SafeString.scala
@@ -75,7 +75,7 @@ object SafeString {
                   case _ => q"""${acc}.s($nextElement)"""
                 }
               } else {
-                c.abort(t.tree.pos, "The provided type isn't a string nor it's a case class, or you might have tried a `toString` on non-strings !")
+                c.abort(t.tree.pos, "The provided type is neither a string nor a case-class. Consider converting it to strings using <value>.asStr.")
               }
             }
             })