diff --git a/sublist.md b/sublist.md
index 4d71be8399..f5da785e8c 100644
--- a/sublist.md
+++ b/sublist.md
@@ -1,3 +1,3 @@
-Write a function that given two determines if the first list is contained within
+Write a function that given two lists determines if the first list is contained within
 the second list, if the second list is contained within the first list, if
-both lists are contained within eachother or if none of these are true.
+both lists are contained within each other or if none of these are true.