diff --git a/src/merkle/tiered_smt/error.rs b/src/merkle/tiered_smt/error.rs
index fdc6123..92f7dea 100644
--- a/src/merkle/tiered_smt/error.rs
+++ b/src/merkle/tiered_smt/error.rs
@@ -3,11 +3,11 @@ use core::fmt::Display;
 #[derive(Debug, PartialEq, Eq)]
 pub enum TieredSmtProofError {
     EntriesEmpty,
-    PathTooLong,
-    NotATierPath(u8),
-    MultipleEntriesOutsideLastTier,
     EmptyValueNotAllowed,
-    UnmatchingPrefixes(u64, u64),
+    MismatchedPrefixes(u64, u64),
+    MultipleEntriesOutsideLastTier,
+    NotATierPath(u8),
+    PathTooLong,
 }
 
 impl Display for TieredSmtProofError {
@@ -16,30 +16,29 @@ impl Display for TieredSmtProofError {
             TieredSmtProofError::EntriesEmpty => {
                 write!(f, "Missing entries for tiered sparse merkle tree proof")
             }
-            TieredSmtProofError::PathTooLong => {
+            TieredSmtProofError::EmptyValueNotAllowed => {
                 write!(
                     f,
-                    "Path longer than maximum depth of 64 for tiered sparse merkle tree proof"
+                    "The empty value [0, 0, 0, 0] is not allowed inside a tiered sparse merkle tree"
                 )
             }
-            TieredSmtProofError::NotATierPath(got) => {
-                write!(
-                    f,
-                    "Path length does not correspond to a tier. Got {} Expected one of 16,32,48,64",
-                    got
-                )
+            TieredSmtProofError::MismatchedPrefixes(first, second) => {
+                write!(f, "Not all leaves have the same prefix. First {first} second {second}")
             }
             TieredSmtProofError::MultipleEntriesOutsideLastTier => {
                 write!(f, "Multiple entries are only allowed for the last tier (depth 64)")
             }
-            TieredSmtProofError::EmptyValueNotAllowed => {
+            TieredSmtProofError::NotATierPath(got) => {
                 write!(
                     f,
-                    "The empty value [0,0,0,0] is not allowed inside a tiered sparse merkle tree"
+                    "Path length does not correspond to a tier. Got {got} Expected one of 16, 32, 48, 64"
                 )
             }
-            TieredSmtProofError::UnmatchingPrefixes(first, second) => {
-                write!(f, "Not all leaves have the same prefix. First {} second {}", first, second)
+            TieredSmtProofError::PathTooLong => {
+                write!(
+                    f,
+                    "Path longer than maximum depth of 64 for tiered sparse merkle tree proof"
+                )
             }
         }
     }
diff --git a/src/merkle/tiered_smt/proof.rs b/src/merkle/tiered_smt/proof.rs
index eae8e38..28ac288 100644
--- a/src/merkle/tiered_smt/proof.rs
+++ b/src/merkle/tiered_smt/proof.rs
@@ -68,7 +68,7 @@ impl TieredSmtProof {
                 }
                 let current = get_key_prefix(&entry.0);
                 if prefix != current {
-                    return Err(TieredSmtProofError::UnmatchingPrefixes(prefix, current));
+                    return Err(TieredSmtProofError::MismatchedPrefixes(prefix, current));
                 }
             }
         }