diff --git a/src/docs-2.x/conf.py b/src/docs-2.x/conf.py
index 24f2950026..5c4932b0db 100644
--- a/src/docs-2.x/conf.py
+++ b/src/docs-2.x/conf.py
@@ -73,13 +73,13 @@ source_suffix = {
 }
 
 sphinxmark_enable = True
-sphinxmark_image = 'text'
-sphinxmark_text = 'Tech Preview'
+sphinxmark_image = "text"
+sphinxmark_text = "Tech Preview"
 sphinxmark_text_size = 80
-sphinxmark_div = 'document'
+sphinxmark_div = "document"
 sphinxmark_fixed = False
 sphinxmark_text_rotation = 30
-sphinxmark_text_color = (128,128,128)
+sphinxmark_text_color = (128, 128, 128)
 sphinxmark_text_spacing = 800
 sphinxmark_text_opacity = 30