Pseudorandom is a word.
diff --git a/docs/hazmat/primitives/key-derivation-functions.rst b/docs/hazmat/primitives/key-derivation-functions.rst
index 325a60b..3c9b501 100644
--- a/docs/hazmat/primitives/key-derivation-functions.rst
+++ b/docs/hazmat/primitives/key-derivation-functions.rst
@@ -131,8 +131,8 @@
It consists of two distinct phases "Extract" and "Expand". The "Extract"
stage takes a low-entropy key and extracts from it a fixed size
- psuedorandom key. The "Expand" stage derives a large key of a user
- determined size from the psuedorandom key.
+ pseudorandom key. The "Expand" stage derives a large key of a user
+ determined size from the pseudorandom key.
:param algorithm: An instance of a
:class:`~cryptography.hazmat.primitives.interfaces.HashAlgorithm`
diff --git a/docs/spelling_wordlist.txt b/docs/spelling_wordlist.txt
index 75628ba..cf421ea 100644
--- a/docs/spelling_wordlist.txt
+++ b/docs/spelling_wordlist.txt
@@ -17,6 +17,7 @@
iOS
pickleable
plaintext
+pseudorandom
testability
unencrypted
unpadded