Index: Classes/Utility/ExtensionUtility.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- Classes/Utility/ExtensionUtility.php	(revision f9e21c74b6a49bd7aacbef37e16083663a7f2c4d)
+++ Classes/Utility/ExtensionUtility.php	(date 1588082173805)
@@ -213,7 +213,7 @@
         $vendorName = null;
         if (false !== $delimiterPosition = strrpos($extensionName, '.')) {
             trigger_error(
-                'Calling method ' . __METHOD__ . 'with argument $extensionName containing the vendor name is deprecated and will stop working in TYPO3 11.0.',
+                'Calling method ' . __METHOD__ . ' with argument $extensionName containing the vendor name is deprecated and will stop working in TYPO3 11.0.',
                 E_USER_DEPRECATED
             );
             $vendorName = str_replace('.', '\\', substr($extensionName, 0, $delimiterPosition));