[gnome-devel-docs] demos: Clarify that the README is a sample text.

[David King <davidk src gnome org>]

commit 28fb4d3da142615b2354ba495d44ebe9981062cb
Author: Sebastian Rasmussen <sebras gmail com>
Date:   Sat Feb 2 04:01:37 2019 +0100

    demos: Clarify that the README is a sample text.

 platform-demos/C/hello-world.js.page | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/platform-demos/C/hello-world.js.page b/platform-demos/C/hello-world.js.page
index 65c22188..b1035d66 100644
--- a/platform-demos/C/hello-world.js.page
+++ b/platform-demos/C/hello-world.js.page
@@ -175,7 +175,7 @@ app.application.run(ARGV);]]></code>
     <section id="readme"><title>README</title>
        <p>Information users should read first. This file can be blank.</p>
 
-       <p>When you have the <file>hello-world</file>, <file>hello-world.desktop.in</file>, 
<file>Makefile.am</file>, <file>configure.ac</file> and <file>autogen.sh</file> files with correct 
information and rights, the <file>README</file> file can include the following instructions:</p>
+       <p>When you have the <file>hello-world</file>, <file>hello-world.desktop.in</file>, 
<file>Makefile.am</file>, <file>configure.ac</file> and <file>autogen.sh</file> files with correct 
information and permissions, create a <file>README</file> file with installation instructions. Below is a 
sample of what suitable README instructions may look like:</p>
       <code mime="text/readme" style="numbered"><xi:include href="samples/hello-in-js/README" 
parse="text"><xi:fallback/></xi:include></code>
     </section>