diff --git a/.editorconfig b/.editorconfig
index 38f3c261..4b40c2f0 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -69,3 +69,10 @@ csharp_style_inlined_variable_declaration = true:warning
 
 # avoid superfluous braces
 csharp_prefer_braces = false:suggestion
+
+##########
+## Column guidelines
+## documentation: https://marketplace.visualstudio.com/items?itemName=PaulHarrington.EditorGuidelines
+##########
+[*.md]
+guidelines = 100