diff --git a/docs/conf.py b/docs/conf.py
index 1b1c4f1..d9ebc4b 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -85,6 +85,9 @@ exclude_patterns = ["_build", "Thumbs.db", ".DS_Store"]
 # The name of the Pygments (syntax highlighting) style to use.
 pygments_style = "sphinx"
 
+# Only syntax highlight of code-block is used:
+highlight_language = "none"
+
 # If true, `todo` and `todoList` produce output, else they produce nothing.
 todo_include_todos = False