diff --git a/Cryptography/RSA.md b/Cryptography/RSA.md
index 7ae86f7..cd01f57 100644
--- a/Cryptography/RSA.md
+++ b/Cryptography/RSA.md
@@ -50,11 +50,11 @@ for i in range (phi + 1, phi + foo):
 ```
 
 $$
-Cipher = msg ** d mod $\phi$
+Cipher = msg ** d mod \phi
 $$
 
 $$
-Cleartext = cipher ** e mod $\phi$
+Cleartext = cipher ** e mod \phi
 $$
 
 ## Euklid