diff --git a/firmware/docs/source/conf.py b/firmware/docs/source/conf.py
index 7f54600..1dcaf77 100644
--- a/firmware/docs/source/conf.py
+++ b/firmware/docs/source/conf.py
@@ -27,7 +27,7 @@
 
 html_theme = 'sphinx_rtd_theme'
 html_static_path = ['_static']
-extensions = ['sphinx.ext.autosectionlabel', 'spinx_rtd_theme']
+extensions = ['sphinx.ext.autosectionlabel', 'sphinx_rtd_theme']
 # noinspection SpellCheckingInspection
 latex_elements = {
     'extraclassoptions': 'openany,oneside'