diff --git a/client/modules/IDE/actions/editorAccessibility.js b/client/modules/IDE/actions/editorAccessibility.js
index 28cbe44c..3311d943 100644
--- a/client/modules/IDE/actions/editorAccessibility.js
+++ b/client/modules/IDE/actions/editorAccessibility.js
@@ -15,9 +15,9 @@ export function clearLintMessage() {
   };
 }
 
-export function updateLineNumber(lineNo) {
+export function updateLineNumber(lineNumber) {
   return {
     type: ActionTypes.UPDATE_LINENUMBER,
-    lineNo
+    lineNumber
   };
 }
diff --git a/client/modules/IDE/components/Editor.js b/client/modules/IDE/components/Editor.js
index 640761f8..5ea18126 100644
--- a/client/modules/IDE/components/Editor.js
+++ b/client/modules/IDE/components/Editor.js
@@ -104,7 +104,7 @@ class Editor extends React.Component {
         </div>
         <EditorAccessibility
           lintMessages={this.props.lintMessages}
-          lineNo={this.props.lineNo}
+          lineNumber={this.props.lineNumber}
         />
       </div>
     );
@@ -113,7 +113,7 @@ class Editor extends React.Component {
 
 Editor.propTypes = {
   lintWarning: PropTypes.bool.isRequired,
-  lineNo: PropTypes.string.isRequired,
+  lineNumber: PropTypes.string.isRequired,
   lintMessages: PropTypes.array.isRequired,
   updateLintMessage: PropTypes.func.isRequired,
   clearLintMessage: PropTypes.func.isRequired,
diff --git a/client/modules/IDE/components/EditorAccessibility.js b/client/modules/IDE/components/EditorAccessibility.js
index 73dce536..b2e0cbe3 100644
--- a/client/modules/IDE/components/EditorAccessibility.js
+++ b/client/modules/IDE/components/EditorAccessibility.js
@@ -27,7 +27,7 @@ class EditorAccessibility extends React.Component {
           {messages}
         </ul>
         <p> Current line
-          <span className="editor-linenumber" aria-live="polite" aria-atomic="true" id="current-line"> {this.props.lineNo} </span>
+          <span className="editor-linenumber" aria-live="polite" aria-atomic="true" id="current-line"> {this.props.lineNumber} </span>
         </p>
       </div>
     );
@@ -36,7 +36,7 @@ class EditorAccessibility extends React.Component {
 
 EditorAccessibility.propTypes = {
   lintMessages: PropTypes.array.isRequired,
-  lineNo: PropTypes.string.isRequired,
+  lineNumber: PropTypes.string.isRequired,
 };
 
 export default EditorAccessibility;
diff --git a/client/modules/IDE/components/PreviewFrame.js b/client/modules/IDE/components/PreviewFrame.js
index 1ae55a14..edbfeb0e 100644
--- a/client/modules/IDE/components/PreviewFrame.js
+++ b/client/modules/IDE/components/PreviewFrame.js
@@ -33,7 +33,7 @@ const hijackConsoleScript = `<script>
     });
 
     // catch reference errors, via http://stackoverflow.com/a/12747364/2994108
-    window.onerror = function (msg, url, lineNo, columnNo, error) {
+    window.onerror = function (msg, url, lineNumber, columnNo, error) {
         var string = msg.toLowerCase();
         var substring = "script error";
         var data = {};
@@ -41,7 +41,7 @@ const hijackConsoleScript = `<script>
         if (string.indexOf(substring) > -1){
           data = 'Script Error: See Browser Console for Detail';
         } else {
-          data = msg + ' Line: ' + lineNo + 'column: ' + columnNo;
+          data = msg + ' Line: ' + lineNumber + 'column: ' + columnNo;
         }
         window.parent.postMessage({
           method: 'error',
diff --git a/client/modules/IDE/pages/IDEView.js b/client/modules/IDE/pages/IDEView.js
index 034863bf..28981a48 100644
--- a/client/modules/IDE/pages/IDEView.js
+++ b/client/modules/IDE/pages/IDEView.js
@@ -175,7 +175,7 @@ class IDEView extends React.Component {
                   isTabIndent={this.props.preferences.isTabIndent}
                   files={this.props.files}
                   lintMessages={this.props.editorAccessibility.lintMessages}
-                  lineNo={this.props.editorAccessibility.lineNo}
+                  lineNumber={this.props.editorAccessibility.lineNumber}
                 />
                 <Console
                   consoleEvent={this.props.ide.consoleEvent}
@@ -254,7 +254,7 @@ IDEView.propTypes = {
   openPreferences: PropTypes.func.isRequired,
   editorAccessibility: PropTypes.shape({
     lintMessages: PropTypes.array.isRequired,
-    lineNo: PropTypes.string.isRequired
+    lineNumber: PropTypes.string.isRequired
   }).isRequired,
   updateLintMessage: PropTypes.func.isRequired,
   clearLintMessage: PropTypes.func.isRequired,
diff --git a/client/modules/IDE/reducers/editorAccessibility.js b/client/modules/IDE/reducers/editorAccessibility.js
index 2e2d478c..03defd11 100644
--- a/client/modules/IDE/reducers/editorAccessibility.js
+++ b/client/modules/IDE/reducers/editorAccessibility.js
@@ -1,7 +1,7 @@
 import * as ActionTypes from '../../../constants';
 
 const initialState = {
-  lineNo: 'line',
+  lineNumber: 'line',
   lintMessages: []
 };
 
@@ -15,7 +15,7 @@ const editorAccessibility = (state = initialState, action) => {
     case ActionTypes.CLEAR_LINT_MESSAGE:
       return Object.assign({}, state, { lintMessages: [] });
     case ActionTypes.UPDATE_LINENUMBER:
-      return Object.assign({}, state, { lineNo: `line ${action.lineNo}` });
+      return Object.assign({}, state, { lineNumber: `line ${action.lineNumber}` });
     default:
       return state;
   }