diff --git a/core/MAINTAINERS.txt b/core/MAINTAINERS.txt
index cff2f2e..6a3ade2 100644
--- a/core/MAINTAINERS.txt
+++ b/core/MAINTAINERS.txt
@@ -60,7 +60,7 @@ Aggregator
 
 Ajax
 - Alex Bronstein 'effulgentsia' https://www.drupal.org/u/effulgentsia
-- Tim Plunkett 'tim.plunkett' https://www.drupal.org/u/tim.plunkett
+- Tim Plunkett 'tim.plunkett' https://www.drupal.org/u/timplunkett
 
 Asset Library API
 - ?
@@ -75,7 +75,7 @@ Ban
 - ?
 
 Bartik
-- Emma Maria Karayiannis 'emma.maria' https://www.drupal.org/u/emma.maria
+- Emma Maria Karayiannis 'emma.maria' https://www.drupal.org/u/emmamaria
 
 Base system
 - ?
@@ -92,7 +92,7 @@ BigPipe
 - Fabian Franz 'Fabianx' https://www.drupal.org/u/fabianx
 
 Block
-- Tim Plunkett 'tim.plunkett' https://www.drupal.org/u/tim.plunkett
+- Tim Plunkett 'tim.plunkett' https://www.drupal.org/u/timplunkett
 - Ben Dougherty 'benjy' https://www.drupal.org/u/benjy
 
 Block Content
@@ -133,10 +133,10 @@ Configuration API
 
 Configuration Entity API
 - Alex Pott 'alexpott' https://www.drupal.org/u/alexpott
-- Tim Plunkett 'tim.plunkett' https://www.drupal.org/u/tim.plunkett
+- Tim Plunkett 'tim.plunkett' https://www.drupal.org/u/timplunkett
 
 Configuration UI
-- Tim Plunkett 'tim.plunkett' https://www.drupal.org/u/tim.plunkett
+- Tim Plunkett 'tim.plunkett' https://www.drupal.org/u/timplunkett
 
 Configuration Translation
 - Gábor Hojtsy 'Gábor Hojtsy' https://www.drupal.org/u/gábor-hojtsy
@@ -224,7 +224,7 @@ Forum
 
 Form API
 - Alex Bronstein 'effulgentsia' https://www.drupal.org/u/effulgentsia
-- Tim Plunkett 'tim.plunkett' https://www.drupal.org/u/tim.plunkett
+- Tim Plunkett 'tim.plunkett' https://www.drupal.org/u/timplunkett
 
 History
 - Andrey Postnikov 'andypost' https://www.drupal.org/u/andypost
@@ -314,7 +314,7 @@ Path
 Plugin
 - Kris Vanderwater 'EclipseGc' https://www.drupal.org/u/eclipseGc
 - Alex Bronstein 'effulgentsia' https://www.drupal.org/u/effulgentsia
-- Tim Plunkett 'tim.plunkett' https://www.drupal.org/u/tim.plunkett
+- Tim Plunkett 'tim.plunkett' https://www.drupal.org/u/timplunkett
 
 Queue
 - James Gilliland 'neclimdul' https://www.drupal.org/u/neclimdul
@@ -345,7 +345,7 @@ Responsive Image
 
 Routing
 - Larry Garfield 'Crell' https://www.drupal.org/u/crell
-- Tim Plunkett 'tim.plunkett' https://www.drupal.org/u/tim.plunkett
+- Tim Plunkett 'tim.plunkett' https://www.drupal.org/u/timplunkett
 
 Search
 - Peter Wolanin 'pwolanin' https://www.drupal.org/u/pwolanin
@@ -423,7 +423,7 @@ User
 
 Views
 - Daniel Wehner 'dawehner' https://www.drupal.org/u/dawehner
-- Tim Plunkett 'tim.plunkett' https://www.drupal.org/u/tim.plunkett
+- Tim Plunkett 'tim.plunkett' https://www.drupal.org/u/timplunkett
 - Damian Lee 'damiankloip' https://www.drupal.org/u/damiankloip
 - Jess Myrbo 'xjm' https://www.drupal.org/u/xjm
 - Len Swaneveld 'Lendude' https://www.drupal.org/u/lendude