diff --git a/core/MAINTAINERS.txt b/core/MAINTAINERS.txt
index 55e3432b38fdf1156523d1ff54d4eea41c137dbd..0b0e8ba58929e938f74d2007c97291e44aa45288 100644
--- a/core/MAINTAINERS.txt
+++ b/core/MAINTAINERS.txt
@@ -391,7 +391,7 @@ Taxonomy
 - Nathaniel Catchpole 'catch' https://www.drupal.org/u/catch
 
 Telephone
-- ?
+- Stephen Mustgrave 'smustgrave' https://www.drupal.org/u/smustgrave
 
 Testing framework
 - Alex Pott 'alexpott' https://www.drupal.org/u/alexpott
@@ -400,7 +400,7 @@ Testing framework
 - Alberto M. 'mondrake' https://www.drupal.org/u/mondrake
 
 Text Field
-- ?
+- Stephen Mustgrave 'smustgrave' https://www.drupal.org/u/smustgrave
 
 Theme API
 - Alex Bronstein 'effulgentsia' https://www.drupal.org/u/effulgentsia