fix header

Author: dkleinF5

content/waf/configure/nginx-features.md

@@ -261,7 +261,7 @@ Examples of Range-dependent features:
 
 ### Additional range-based examples
 
-### Static location
+#### Static location
 
 ```nginx
 load_module modules/ngx_http_app_protect_module.so;
@@ -284,7 +284,7 @@ http {
 }
 ```
 
-### Range
+#### Range
 
 ```nginx
 load_module modules/ngx_http_app_protect_module.so;