diff --git a/src/glum/_glm.py b/src/glum/_glm.py
index 13db5d6f..4eb4bd7f 100644
--- a/src/glum/_glm.py
+++ b/src/glum/_glm.py
@@ -2372,8 +2372,7 @@ def _validate_hyperparameters(self) -> None:
         if self.alpha_search:
             if not isinstance(self.alpha, Iterable) and self.alpha is not None:
                 raise ValueError(
-                    "`alpha` should be an Iterable or None when `alpha_search`"
-                    " is True"
+                    "`alpha` should be an Iterable or None when `alpha_search` is True"
                 )
             if self.alpha is not None and (
                 (np.asarray(self.alpha) < 0).any()
@@ -2383,7 +2382,7 @@ def _validate_hyperparameters(self) -> None:
         if not self.alpha_search:
             if not np.isscalar(self.alpha) and self.alpha is not None:
                 raise ValueError(
-                    "`alpha` should be a scalar or None when `alpha_search`" " is False"
+                    "`alpha` should be a scalar or None when `alpha_search` is False"
                 )
             if self.alpha is not None and (
                 not isinstance(self.alpha, (int, float)) or self.alpha < 0
diff --git a/src/glum/_solvers.py b/src/glum/_solvers.py
index 5e33eea3..a3b45254 100644
--- a/src/glum/_solvers.py
+++ b/src/glum/_solvers.py
@@ -878,7 +878,7 @@ def _lbfgs_solver(
     )
     if info["warnflag"] == 1:
         warnings.warn(
-            "lbfgs failed to converge." " Increase the number of iterations.",
+            "lbfgs failed to converge. Increase the number of iterations.",
             ConvergenceWarning,
         )
     elif info["warnflag"] == 2: