diff --git a/content/Basic Algebra/Basic Algebra.md b/content/Basic Algebra/Basic Algebra.md
index 8380706..5b357c0 100644
--- a/content/Basic Algebra/Basic Algebra.md	
+++ b/content/Basic Algebra/Basic Algebra.md	
@@ -23,4 +23,5 @@
 - [[Elliptic Curves]]
 - [[Discrete logarithm]]
 - [[ECDLP]]
+- [[Ideal]]