diff --git a/src/main.rs b/src/main.rs
index ade0a58..e75cc84 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -221,11 +221,15 @@ fn format_output(
                 }),
             )
         } else {
-            (
-                "unrecoverable".to_string(),
-                Some("all pairs have s1 == s2".to_string()),
-                None,
-            )
+            let reason = match vuln.attack_type.as_str() {
+                "nonce-reuse" => "all signature pairs have identical s values",
+                "polynonce" => "elimination polynomial roots did not produce a valid key",
+                _ if vuln.attack_type.starts_with("biased-nonce") => {
+                    "lattice reduction did not yield the private key"
+                }
+                _ => "recovery did not produce a valid key",
+            };
+            ("unrecoverable".to_string(), Some(reason.to_string()), None)
         };
 
         vuln_outputs.push(VulnerabilityOutput {