update.md in lono-7.0.0

- old
+ new

@@ -19,10 +19,10 @@
 
     lono cfn update ec2 --sure
 
 ## Conventions: template and param
 
-Lono follows some [coventions](http://lono.cloud/docs/conventions/) that helps keep the commands short.  We'll go through an example to explain:
+Lono follows some [coventions](https://lono.cloud/docs/conventions/) that helps keep the commands short.  We'll go through an example to explain:
 
 Provided that you are in a lono project and have a `demo` lono blueprint that contains a `demo` template.  To update a stack you can run:
 
     lono cfn update demo