diff --git a/docs/spelling_wordlist.txt b/docs/spelling_wordlist.txt
index 145a7f187ca..d776db14506 100644
--- a/docs/spelling_wordlist.txt
+++ b/docs/spelling_wordlist.txt
@@ -18,6 +18,7 @@ async
 asyncio
 asyncpg
 asynctest
+attrs
 auth
 autocalculated
 autodetection
@@ -35,6 +36,7 @@ backports
 BaseEventLoop
 basename
 BasicAuth
+behaviour
 BodyPartReader
 boolean
 botocore
@@ -90,6 +92,7 @@ Cythonize
 cythonized
 de
 deduplicate
+defs
 Dependabot
 deprecations
 DER
@@ -105,6 +108,7 @@ DNSResolver
 docstring
 docstrings
 DoS
+downstreams
 Dup
 elasticsearch
 encodings
@@ -314,6 +318,8 @@ Testsuite
 Tf
 timestamps
 TLS
+tmp
+tmpdir
 toolbar
 toplevel
 towncrier
@@ -330,6 +336,7 @@ Unittest
 unix
 unsets
 unstripped
+untyped
 uppercased
 upstr
 url