diff --git a/docs/conf.py b/docs/conf.py
index 96ad6bb..48f361e 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -42,6 +42,7 @@ extensions = [
     "sphinx.ext.todo",
     "sphinx.ext.viewcode",
     "sphinx.ext.napoleon",
+    "sphinxcontrib.spelling",
 ]
 
 # Add any paths that contain templates here, relative to this directory.
@@ -195,3 +196,15 @@ napoleon_numpy_docstring = False
 # napoleon_use_admonition_for_examples = False
 # napoleon_use_admonition_for_notes = False
 # napoleon_use_admonition_for_references = False
+
+# -- Options for spelling extension ----------------------------------------------
+
+spelling_word_list_filename = [
+    "spelling/names.txt",
+    "spelling/technical.txt",
+    "spelling/fixes.txt",
+]
+spelling_ignore_wiki_words = False
+# spelling_ignore_acronyms = False
+spelling_ignore_python_builtins = False
+spelling_ignore_importable_modules = False
diff --git a/docs/spelling/fixes.txt b/docs/spelling/fixes.txt
new file mode 100644
index 0000000..2c0351f
--- /dev/null
+++ b/docs/spelling/fixes.txt
@@ -0,0 +1,3 @@
+premade
+todo
+emoji
diff --git a/docs/spelling/names.txt b/docs/spelling/names.txt
new file mode 100644
index 0000000..6ec43dc
--- /dev/null
+++ b/docs/spelling/names.txt
@@ -0,0 +1,3 @@
+Facebook
+GraphQL
+GitHub
diff --git a/docs/spelling/technical.txt b/docs/spelling/technical.txt
new file mode 100644
index 0000000..2595ac9
--- /dev/null
+++ b/docs/spelling/technical.txt
@@ -0,0 +1,14 @@
+iterables
+timestamp
+metadata
+spam
+spammy
+admin
+admins
+unsend
+unsends
+unmute
+spritemap
+online
+inbox
+subclassing
diff --git a/pyproject.toml b/pyproject.toml
index 0621021..136268d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -56,6 +56,7 @@ test = [
 ]
 docs = [
     "sphinx~=2.0",
+    "sphinxcontrib-spelling~=4.0"
 ]
 lint = [
     "black",