diff --git a/pygradflow/solver.py b/pygradflow/solver.py
index d41a694..9fa4acf 100644
--- a/pygradflow/solver.py
+++ b/pygradflow/solver.py
@@ -20,6 +20,8 @@
 
 
 class SolverStatus(Enum):
+    description: str
+
     Converged = (auto(), "Convergence achieved")
     IterationLimit = (auto(), "Reached iteration limit")
     TimeLimit = (auto(), "Reached time limit")