diff --git a/crates/cli/src/utils.rs b/crates/cli/src/utils.rs
index a3a663d9..2cbc14f6 100644
--- a/crates/cli/src/utils.rs
+++ b/crates/cli/src/utils.rs
@@ -1196,7 +1196,7 @@ fn get_execution_purpose(
                 let script = lookup_table.scripts.get(&script_hash).unwrap();
                 ExecutionPurpose::NoDatum(script.clone())
             }
-            _ => unreachable!("This is impossible. Only stake deregistration and stake delegation are valid a script purposes."),
+            _ => unreachable!("This is impossible. Only stake deregistration and stake delegation are valid script purposes."),
         },
     }
 }