diff --git a/subjects/weareunique/README.md b/subjects/weareunique/README.md
index fd927e56..7f62558d 100644
--- a/subjects/weareunique/README.md
+++ b/subjects/weareunique/README.md
@@ -4,7 +4,7 @@
 
 Write a function that takes two strings and returns the number of characters that are not included in both, without doubles.
 - If there is no unique charachters return 0.
-- If both strings are empty  or one of them return -1.
+- If both strings are empty return -1.
 
 ### Expected function