diff --git a/src/uu/chmod/chmod.md b/src/uu/chmod/chmod.md
index d6c2ed2d8..10ddb48a2 100644
--- a/src/uu/chmod/chmod.md
+++ b/src/uu/chmod/chmod.md
@@ -13,4 +13,4 @@ With --reference, change the mode of each FILE to that of RFILE.
 
 ## After Help
 
-Each MODE is of the form '[ugoa]*([-+=]([rwxXst]*|[ugo]))+|[-+=]?[0-7]+'.
+Each MODE is of the form `[ugoa]*([-+=]([rwxXst]*|[ugo]))+|[-+=]?[0-7]+`.
diff --git a/src/uu/mkdir/mkdir.md b/src/uu/mkdir/mkdir.md
index eea3d2eb0..f5dbb2544 100644
--- a/src/uu/mkdir/mkdir.md
+++ b/src/uu/mkdir/mkdir.md
@@ -10,4 +10,4 @@ Create the given DIRECTORY(ies) if they do not exist
 
 ## After Help
 
-Each MODE is of the form '[ugoa]*([-+=]([rwxXst]*|[ugo]))+|[-+=]?[0-7]+'.
+Each MODE is of the form `[ugoa]*([-+=]([rwxXst]*|[ugo]))+|[-+=]?[0-7]+`.