diff --git a/src/main/resources/lessons/cryptography/documentation/Crypto_plan.adoc b/src/main/resources/lessons/cryptography/documentation/Crypto_plan.adoc
index 39ce0b5c0..e55e69af5 100644
--- a/src/main/resources/lessons/cryptography/documentation/Crypto_plan.adoc
+++ b/src/main/resources/lessons/cryptography/documentation/Crypto_plan.adoc
@@ -14,19 +14,19 @@ endif::[]
 
 The goal is to get familiar with the following forms of techniques:
 
-* link:start.mvc#lesson/Crypto.lesson/1[Encoding]
+* link:start.mvc#lesson/Cryptography.lesson/1[Encoding]
 
-* link:start.mvc#lesson/Crypto.lesson/3[Hashing]
+* link:start.mvc#lesson/Cryptography.lesson/3[Hashing]
 
-* link:start.mvc#lesson/Crypto.lesson/4[Encryption]
+* link:start.mvc#lesson/Cryptography.lesson/4[Encryption]
 
-* link:start.mvc#lesson/Crypto.lesson/5[Signing]
+* link:start.mvc#lesson/Cryptography.lesson/5[Signing]
 
-* link:start.mvc#lesson/Crypto.lesson/6[Keystores]
+* link:start.mvc#lesson/Cryptography.lesson/6[Keystores]
 
-* link:start.mvc#lesson/Crypto.lesson/7[Security defaults]
+* link:start.mvc#lesson/Cryptography.lesson/7[Security defaults]
 
-* link:start.mvc#lesson/Crypto.lesson/8[Post quantum crypto]
+* link:start.mvc#lesson/Cryptography.lesson/8[Post quantum crypto]
 
 === Assignments