diff --git a/prelude.ld b/prelude.ld
index 76c50c9..afa2c18 100644
--- a/prelude.ld
+++ b/prelude.ld
@@ -1444,7 +1444,7 @@ pkg Prelude {
 	sum_of_squares & math 
 	tan & math
 	tau & math
-	to_number &strings numbers
+	to_number & strings numbers
 	trim & strings
 	tuple? & tuples
 	turn/deg & math