diff --git a/docs/internals/contributing/writing-code/coding-style.txt b/docs/internals/contributing/writing-code/coding-style.txt
index 1f8be33e05..2fa0233e3d 100644
--- a/docs/internals/contributing/writing-code/coding-style.txt
+++ b/docs/internals/contributing/writing-code/coding-style.txt
@@ -1,5 +1,5 @@
 ============
-Coding Style
+Coding style
 ============
 
 Please follow these coding standards when writing code for inclusion in Django.
@@ -13,6 +13,12 @@ Python style
   area, but remember that :pep:`8` is only a guide, so respect the style of
   the surrounding code as a primary goal.
 
+  One big exception to :pep:`8` is our preference of longer line lengths.
+  We're well into the 21st Century, and we have high-resolution computer
+  screens that can fit way more than 79 characters on a screen. Don't limit
+  lines of code to 79 characters if it means the code looks significantly
+  uglier or is harder to read.
+
 * Use four spaces for indentation.
 
 * Use underscores, not camelCase, for variable, function and method names