diff --git a/docs/yow/EXCLAMATION-MARK•HYPHEN-MINUS.md b/docs/yow/EXCLAMATION-MARK•HYPHEN-MINUS.md
index dddf86c..f3c8dca 100644
--- a/docs/yow/EXCLAMATION-MARK•HYPHEN-MINUS.md
+++ b/docs/yow/EXCLAMATION-MARK•HYPHEN-MINUS.md
@@ -1,6 +1,6 @@
 ------------------------------------------------------------------------
 
-## !-
+# !-
 
 Basis Function Combinator
 
@@ -8,22 +8,22 @@ Basis Function Combinator
 
 Gentzen diagram.
 
-### Definition
+## Definition
 
 if not basis.
 
-### Derivation
+## Derivation
 
 if not basis.
 
-### Source
+## Source
 
 if basis
 
-### Discussion
+## Discussion
 
 Lorem ipsum.
 
-### Crosslinks
+## Crosslinks
 
 Lorem ipsum.