diff --git a/docs/css-classes-reference.rst b/docs/css-classes-reference.rst
index 70d45e4dc4..9cea743642 100644
--- a/docs/css-classes-reference.rst
+++ b/docs/css-classes-reference.rst
@@ -70,6 +70,8 @@ in mind so a better choice (for best theme support) might possibly be ``string``
 +--------------------------+-------------------------------------------------------------+
 | title.function           | name of a function                                          |
 +--------------------------+-------------------------------------------------------------+
+| title.function.invoke    | name of a function (when being invoked)                     |
++--------------------------+-------------------------------------------------------------+
 | params                   | block of function arguments (parameters) at the             |
 |                          | place of declaration                                        |
 +--------------------------+-------------------------------------------------------------+
diff --git a/src/languages/php.js b/src/languages/php.js
index 4832f88d71..371ef2ae78 100644
--- a/src/languages/php.js
+++ b/src/languages/php.js
@@ -330,7 +330,7 @@ export default function(hljs) {
       regex.lookahead(/(?=\()/)
     ],
     scope: {
-      3: "function.title.invoke",
+      3: "title.function.invoke",
     }
   };