diff --git a/CHANGES.md b/CHANGES.md
index 717db18a5a..3b9b3db00f 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -4,8 +4,14 @@ New themes:
 
 - *Gradient Light* by [Samia Ali]()
 
+Language Improvements:
+
+- enh(matlab) Add new R2019b `arguments` keyword and fix `enumeration` keyword (#2619) [Andrew Janke][]
+
+[Andrew Janke]: https://github.com/apjanke
 [Samia Ali]: https://github.com/samiaab1990
 
+
 ## Version 10.1.1
 
 Fixes:
diff --git a/src/languages/matlab.js b/src/languages/matlab.js
index a3d0cde8b0..0a75e8a5b0 100644
--- a/src/languages/matlab.js
+++ b/src/languages/matlab.js
@@ -24,7 +24,7 @@ export default function(hljs) {
     name: 'Matlab',
     keywords: {
       keyword:
-        'break case catch classdef continue else elseif end enumerated events for function ' +
+        'arguments break case catch classdef continue else elseif end enumeration events for function ' +
         'global if methods otherwise parfor persistent properties return spmd switch try while',
       built_in:
         'sin sind sinh asin asind asinh cos cosd cosh acos acosd acosh tan tand tanh atan ' +