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diff --git a/scope.go b/scope.go
index 8480e0569397ef22f59c3a47ab8b810a17422f33..8549cce16d8717dcb92839da77bbb12d6c4cac6a 100644
--- a/scope.go
+++ b/scope.go
@@ -1,7 +1,7 @@
 package spectre
 
 import (
-	"errors"
+	"fmt"
 	"strings"
 )
 
@@ -41,7 +41,7 @@ 		return Identification, nil
 	case "recovery", "r":
 		return Recovery, nil
 	default:
-		return "", errors.New("unknown Scope")
+		return "", fmt.Errorf("unknown Scope %q; available [authentication, identification, recovery]", s)
 	}
 }
 

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diff --git a/template.go b/template.go
index 5fb3ca2787aefe4d555616eef98e939582178659..a0b4eb9413d7edd9701c42f441e6bc0c31596ede 100644
--- a/template.go
+++ b/template.go
@@ -1,7 +1,7 @@
 package spectre
 
 import (
-	"errors"
+	"fmt"
 	"strings"
 )
 
@@ -39,7 +39,7 @@ 		return Phrase, nil
 	case "basic":
 		return Basic, nil
 	default:
-		return "", errors.New("unknown Template")
+		return "", fmt.Errorf("unknown Template %q; available [maximum, long, medium, short, pin, name, phrase, basic]", s)
 	}
 }