diff --git a/database/config.go b/database/config.go
index e12966770..c97e5917b 100644
--- a/database/config.go
+++ b/database/config.go
@@ -235,7 +235,7 @@ type IndexInfo struct {
 	// If set to true, values will be associated with at most one key. False by default.
 	Unique bool
 
-	// If set, the index is typed and only accepts values of those types	.
+	// If set, the index is typed and only accepts values of those types.
 	Types []document.ValueType
 }