diff --git a/docs/source/conf.py b/docs/source/conf.py
index 2f8c882f5..fc70cb3c8 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -111,6 +111,10 @@
 # A list of ignored prefixes for module index sorting.
 modindex_common_prefix = ['sopel.']
 
+# If a signature’s length in characters exceeds the number set, each parameter
+# within the signature will be displayed on an individual logical line.
+maximum_signature_line_length = 80
+
 
 # -- Options for autodoc -------------------------------------------------------