diff --git a/subjects/doctor-strange.en.md b/subjects/dr-strange.en.md
similarity index 98%
rename from subjects/doctor-strange.en.md
rename to subjects/dr-strange.en.md
index 5e88115e..84135fd7 100644
--- a/subjects/doctor-strange.en.md
+++ b/subjects/dr-strange.en.md
@@ -1,4 +1,4 @@
-## Doctor Strange
+## Dr Strange
 
 ### Instructions