diff --git a/spec/VISSv3.0_Core.html b/spec/VISSv3.0_Core.html
index 2f6e5bd..430aa02 100644
--- a/spec/VISSv3.0_Core.html
+++ b/spec/VISSv3.0_Core.html
@@ -2035,7 +2035,7 @@ <h3>Server Tree Example</h3>
             <li>The Protocol node MUST be an attribute with a string array datatype with members defining the supported transport protocols.</li>
         </ul>
           <pre><code>
-              <embed type="text/yaml" src="resources/server.txt" width="700" height="500">
+              <embed type="text/yaml" src="resources/server.yml.txt" width="700" height="500">
           </code></pre>
           A feature that is supported in at least one configuration shall be registered on the Support branch.
           The Config branch shall contain the information needed for a client to utilize the feature,
diff --git a/spec/resources/README.md b/spec/resources/README.md
new file mode 100644
index 0000000..ce4c90f
--- /dev/null
+++ b/spec/resources/README.md
@@ -0,0 +1,6 @@
+## File extension explanation
+The files
+* server.yml.txt
+* vissv3.0.proto.txt
+were given the file extension ".txt" for the purpose of being properly rendered in the VISSv3.0 specification document.
+This file extension should be removed before the files are consumed in the contexts they were created for.
diff --git a/spec/resources/server.txt b/spec/resources/server.yml.txt
similarity index 100%
rename from spec/resources/server.txt
rename to spec/resources/server.yml.txt