diff --git a/awx/ui/client/src/job-results/parse-stdout.service.js b/awx/ui/client/src/job-results/parse-stdout.service.js
index 12620d3197..8799a152ac 100644
--- a/awx/ui/client/src/job-results/parse-stdout.service.js
+++ b/awx/ui/client/src/job-results/parse-stdout.service.js
@@ -4,12 +4,15 @@
 * All Rights Reserved
 *************************************************/
 
-export default [function(){
+export default ['$log', function($log){
     var val = {
+        // parses stdout string from api and formats various codes to the
+        // correct dom structure
         prettify: function(line){
 
+            // TODO: remove once Chris's fixes to the [K lines comes in
             if (line.indexOf("[K") > -1) {
-                console.log(line);
+                $log.error(line);
             }
 
             line = line.replace(/u001b/g, '');
@@ -30,45 +33,60 @@ export default [function(){
             line = line.replace(/\[0m/g, '</span>');
             return line;
         },
+        // adds anchor tags and tooltips to host status lines
         getAnchorTags: function(event, line){
             if(event.event.indexOf("runner_") === -1){
                 return line;
             }
             else{
-                var str = `<a ui-sref="jobDetail.host-event.details({eventId: ${event.parent}, taskId: ${event.id} })" aw-tool-tip="Event ID: ${event.id} <br> Status: ${event.event_display}. <br> Click for details" data-tip-watch="result.tip" data-placement="top">`,
-                str2 = '</a>';
-                return str.concat(line).concat(str2);
+                return `<a ui-sref="jobDetail.host-event.details({eventId: ${event.parent}, taskId: ${event.id} })" aw-tool-tip="Event ID: ${event.id} <br>Status: ${event.event_display}. <br>Click for details" data-tip-watch="result.tip" data-placement="top">${line}</a>`;
             }
 
         },
-        getCollapseClasses: function(event, line, lineNum) {
+        // this adds classes based on event data to the
+        // .JobResultsStdOut-aLineOfStdOut element
+        getLineClasses: function(event, line, lineNum) {
             var string = "";
             if (event.event_name === "playbook_on_play_start") {
+                // play header classes
                 string += " header_play";
                 string += " header_play_" + event.event_data.play_uuid;
                 if (line) {
                     string += " actual_header";
                 }
             } else if (event.event_name === "playbook_on_task_start") {
+                // task header classes
                 string += " header_task";
                 string += " header_task_" + event.event_data.task_uuid;
-                if (event.event_data.play_uuid) {
-                    string += " play_" + event.event_data.play_uuid;
-                }
                 if (line) {
                     string += " actual_header";
                 }
-            } else {
+
+                // task headers also get classed by their parent play
+                // if applicable
                 if (event.event_data.play_uuid) {
                     string += " play_" + event.event_data.play_uuid;
                 }
+            } else {
+                // host status or debug line
+
+                // these get classed by their parent play if applicable
+                if (event.event_data.play_uuid) {
+                    string += " play_" + event.event_data.play_uuid;
+                }
+                // as well as their parent task if applicable
                 if (event.event_data.task_uuid) {
                     string += " task_" + event.event_data.task_uuid;
                 }
             }
+
+            // TODO: adding this line_num_XX class is hacky because the
+            // line number is availabe in children of this dom element
             string += " line_num_" + lineNum;
+
             return string;
         },
+        // used to add expand/collapse icon next to line numbers of headers
         getCollapseIcon: function(event, line) {
             var clickClass,
                 expanderizerSpecifier;
@@ -81,19 +99,26 @@ export default [function(){
                 line !== "") {
                     if (event.event_name === "playbook_on_play_start" &&
                         line.indexOf("PLAY") > -1) {
+                            // play header specific attrs
                             expanderizerSpecifier = "play";
                             clickClass = "play_" +
                                 event.event_data.play_uuid;
                     } else if (line.indexOf("TASK") > -1 ||
                         line.indexOf("RUNNING HANDLER") > -1) {
+                            // task header specific attrs
                             expanderizerSpecifier = "task";
                             clickClass = "task_" +
                                 event.event_data.task_uuid;
                     } else {
+                        // header lines that don't have PLAY, TASK,
+                        // or RUNNING HANDLER in them don't get
+                        // expand icon.
+                        // This provides cowsay support.
                         return emptySpan;
                     }
 
-                return `
+
+                var expandDom = `
 <span class="JobResultsStdOut-lineExpander">
     <i class="JobResultsStdOut-lineExpanderIcon fa fa-caret-down expanderizer
         expanderizer--${expanderizerSpecifier} expanded"
@@ -101,22 +126,42 @@ export default [function(){
         data-uuid="${clickClass}">
     </i>
 </span>`;
+                console.log(expandDom);
+                return expandDom;
             } else {
+                // non-header lines don't get an expander
                 return emptySpan;
             }
         },
+        // public function that provides the parsed stdout line, given a
+        // job_event
         parseStdout: function(event){
-            return _
+            // this utilizes the start/end lines and stdout blob
+            // to create an array in the format:
+            // [
+            //     [lineNum: lineText],
+            //     [lineNum: lineText],
+            // ]
+            var lineArr = _
                 .zip(_.range(event.start_line + 1,
                     event.end_line + 1),
-                    event.stdout.replace("\t", "        ").split("\r\n").slice(0, -1))
+                    event.stdout.replace("\t", "        ").split("\r\n").slice(0, -1));
+
+            // this takes each `[lineNum: lineText]` element and calls the
+            // relevant helper functions in this service to build the
+            // parsed line of standard out
+            lineArr = lineArr
                 .map(lineArr => {
                     return `
-<div class="JobResultsStdOut-aLineOfStdOut${this.getCollapseClasses(event, lineArr[1], lineArr[0])}">
+<div class="JobResultsStdOut-aLineOfStdOut${this.getLineClasses(event, lineArr[1], lineArr[0])}">
     <div class="JobResultsStdOut-lineNumberColumn">${this.getCollapseIcon(event, lineArr[1])}${lineArr[0]}</div>
     <div class="JobResultsStdOut-stdoutColumn">${this.getAnchorTags(event, this.prettify(lineArr[1]))}</div>
 </div>`;
-                }).join("");
+                });
+
+            // this joins all the lines for this job_event together and
+            // returns to the mungeEvent function
+            return lineArr.join("");
         }
     };
     return val;