diff --git a/docs/hazmat/primitives/symmetric-encryption.rst b/docs/hazmat/primitives/symmetric-encryption.rst
index 19ae88b..4748689 100644
--- a/docs/hazmat/primitives/symmetric-encryption.rst
+++ b/docs/hazmat/primitives/symmetric-encryption.rst
@@ -6,7 +6,6 @@
 
 .. module:: cryptography.hazmat.primitives.ciphers
 
-
 Symmetric encryption is a way to `encrypt`_ or hide the contents of material
 where the sender and receiver both use the same secret key. Note that symmetric
 encryption is **not** sufficient for most applications because it only
@@ -555,7 +554,7 @@
 
     .. method:: validate_for_algorithm(algorithm)
 
-        :param CipherAlgorithm algorithm:
+        :param cryptography.hazmat.primitives.ciphers.CipherAlgorithm algorithm:
 
         Checks that the combination of this mode with the provided algorithm
         meets any necessary invariants. This should raise an exception if they
diff --git a/docs/hazmat/primitives/twofactor.rst b/docs/hazmat/primitives/twofactor.rst
index 0d86f7c..89d8122 100644
--- a/docs/hazmat/primitives/twofactor.rst
+++ b/docs/hazmat/primitives/twofactor.rst
@@ -39,7 +39,7 @@
                       and be at least 128 bits. It is recommended that the
                       key be 160 bits.
     :param int length: Length of generated one time password as ``int``.
-    :param HashAlgorithm algorithm: A
+    :param cryptography.hazmat.primitives.hashes.HashAlgorithm algorithm: A
         :class:`~cryptography.hazmat.primitives.hashes`
         provider.
     :param backend: A
@@ -137,7 +137,7 @@
                       and be at least 128 bits. It is recommended that the
                       key be 160 bits.
     :param int length: Length of generated one time password as ``int``.
-    :param HashAlgorithm algorithm: A
+    :param cryptography.hazmat.primitives.hashes.HashAlgorithm algorithm: A
         :class:`~cryptography.hazmat.primitives.hashes`
         provider.
     :param int time_step: The time step size. The recommended size is 30.