diff --git a/.github/workflows/doc.yml b/.github/workflows/doc.yml
index c1c9b5c..073e69e 100644
--- a/.github/workflows/doc.yml
+++ b/.github/workflows/doc.yml
@@ -28,10 +28,11 @@ jobs:
           cd doc
           make html
 
-      - name: Deploy docs
-        if: github.ref == 'refs/heads/main'
-        uses: peaceiris/actions-gh-pages@v4
-        with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          publish_dir: doc/_build/html
-          cname: hopes.foobot.io
+# wait for project to be ready
+#      - name: Deploy docs
+#        if: github.ref == 'refs/heads/main'
+#        uses: peaceiris/actions-gh-pages@v4
+#        with:
+#          github_token: ${{ secrets.GITHUB_TOKEN }}
+#          publish_dir: doc/_build/html
+#          cname: hopes.foobot.io
diff --git a/hopes/policy/policies.py b/hopes/policy/policies.py
index 49cd376..7704dd5 100644
--- a/hopes/policy/policies.py
+++ b/hopes/policy/policies.py
@@ -27,19 +27,21 @@ def name(self):
         return self._name or self.__class__.__name__
 
     def with_name(self, name: str) -> "Policy":
-        """Set the name of the policy.
+        """Set the name of the policy. This is optional but can be useful for logging,
+        visualization and comparison with other policies.
 
         :param name: the name of the policy.
         """
         self._name = name
         return self
 
-    def with_epsilon(self, epsilon: float | None = None) -> "Policy":
-        """Set the epsilon value for epsilon-greedy action selection.
+    def with_epsilon(self, epsilon: float) -> "Policy":
+        """Set the epsilon value for epsilon-greedy action selection. This is only needed if the
+        policy is used for action selection and epsilon-greedy action selection is desired.
 
         :param epsilon: the epsilon value for epsilon-greedy action selection.
         """
-        assert epsilon is None or 0 <= epsilon <= 1, "Epsilon must be in [0, 1]."
+        assert epsilon is not None and 0 <= epsilon <= 1, "Epsilon must be in [0, 1]."
         self._epsilon = epsilon
         return self