Rectified some usage of innerHTML

src/options.js

 	});
 
 	// Update version.
-	document.querySelector(".bottom-info .version").innerHTML = chrome.runtime.getManifest().version;
+	document.querySelector(".bottom-info .version").innerText = chrome.runtime.getManifest().version;
 
 	// Listeners for Reset and Save buttons.
 	document.querySelectorAll("button").forEach(button => {

src/popup.js

 	window.AKS = { };
 	
 	// Update version.
-	document.querySelector(".info-header .version").innerHTML = chrome.runtime.getManifest().version;
+	document.querySelector(".info-header .version").innerText = chrome.runtime.getManifest().version;
 
 	// Retrieve saved settings.
 	chrome.tabs.query({currentWindow: true, active: true}, (tabs) => {