Update Running_Code.mdx

content/1_Intro/Running_Code.mdx

@@ -11,6 +11,14 @@ Please let us know if these installation instructions do not work for you.
 
 # Running Code Online
 
+The easiest way to run your code is to run it on an online website. You don't need to install anything. This option is nice for testing small code snippits.
+
+<Warning>
+
+If the website you are using goes down, you may be left without a way to run your code, so even if you primarily use this method, have a offline backup ready! (See below)
+
+</Warning>
+
 - [OnlineGDB](https://www.onlinegdb.com/)
   - C++, Python
   - online compiler with embedded GDB debugger
@@ -35,7 +43,7 @@ Even if you are not doing an online contest, you might want to set your code to
 
 You can also share code with [pastebin](https://pastebin.com/) or [hastebin](https://hastebin.com/).
 
-# Using Command Line
+# Offline, Using Command Line
 
 
 <LanguageSection>
@@ -348,7 +356,7 @@ python3 --version # prints Python 3.8.1
 
 </LanguageSection>
 
-# Using an IDE
+# Offline, Using an IDE
 
 <Resources>
   <Resource source="IOI" title="2019 Contest Environment" url="https://ioi2019.az/en-content-26.html">software you can use at IOI</Resource>