diff --git a/CHANGELOG.md b/CHANGELOG.md
index 92176ecf0..5714d7d54 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## Pending
+### Breaking changes
+- [\#348](https://github.com/arkworks-rs/snark/pull/334) Introduce a `Relation` trait, change the `SNARK` traits to use it, and break down `ConstraintSynthesizer` into three traits.
+
 ## v0.2.0
 
 ### Breaking changes
diff --git a/snark/src/lib.rs b/snark/src/lib.rs
index 502f00d4b..96c6698ea 100644
--- a/snark/src/lib.rs
+++ b/snark/src/lib.rs
@@ -97,7 +97,7 @@ pub trait UniversalSetupSNARK<R: NPRelation>: SNARK<R> {
     /// Specifies how to bound the size of public parameters required to
     /// generate the index proving and verification keys for a given
     /// circuit.
-    /// 
+    ///
     /// For example, for SNARKs that rely on polynomial commitments, this would
     /// be the maximum degree of polynomials required to prove a given
     /// instance.