diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 04b4a9a..388649f 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -18,4 +18,4 @@ If your PR doesn' follow the Contributing Guidelines of this Repository it will
 ## Which PR's will be accepted?
 * Ones you are assigned to
 * Your PR has to link the Issue
-* Your Solution must be correct - you can check ist on LeetCode (submit) if it works on different test-cases
+* Your Solution must be correct - you can check 1st on LeetCode (submit) if it works on different test-cases