gistfile1.txt

diff --git a/codec.go b/codec.go
index f3f2eaf..35a6c3a 100644
--- a/codec.go
+++ b/codec.go
@@ -219,7 +219,7 @@ func (cdc *Codec) getTypeInfoFromPrefix_rlock(iinfo *TypeInfo, pb PrefixBytes) (
                return
        }
        if len(infos) > 1 {
-               err = fmt.Errorf("Conflicting concrete types registered for %X: e.g. %v and %v.", pb)
+               err = fmt.Errorf("Conflicting concrete types registered for %X: e.g. %v and %v.", pb, infos[0].Type, infos[1].Type)
                return
        }
        info = infos[0]
@@ -411,7 +411,8 @@ func (cdc *Codec) checkConflictsInPrio_nolock(iinfo *TypeInfo) error {
                                }
                        }
                        if !inPrio {
-                               return fmt.Errorf("%v conflicts with %v other(s). Add it to the priority list for %v.", cinfo.Type, iinfo.Type)
+                               return fmt.Errorf("%v conflicts with %v other(s). Add it to the priority list for %v.",
+                                       cinfo.Type, len(cinfos), iinfo.Type)
                        }
                }
        }