diff --git a/clearandconcisecommentaryoncaesarcipher/description.md b/clearandconcisecommentaryoncaesarcipher/description.md
index a414171..c148713 100644
--- a/clearandconcisecommentaryoncaesarcipher/description.md
+++ b/clearandconcisecommentaryoncaesarcipher/description.md
@@ -1 +1 @@
-The flag is in [ClearAndConciseCommentaryonCaesarCipher.txt](${ClearAndConciseCommentaryonCaesarCipher_txt}). Use lowercase.
\ No newline at end of file
+The flag is in [ClearAndConciseCommentaryonCaesarCipher.pdf](${ClearAndConciseCommentaryonCaesarCipher_pdf}). Use lowercase.