Changes: Mark GitHub accounts with an "@" prefix
diff --git a/expat/Changes b/expat/Changes
index 4de08bd..a3cd55b 100644
--- a/expat/Changes
+++ b/expat/Changes
@@ -7,7 +7,7 @@
             #212  CMake: Make libdir of pkgconfig expat.pc support multilib
 
         Special thanks to:
-            userwithuid
+            @userwithuid
 
 Release 2.2.6 Sun August 12 2018
         Bug fixes:
@@ -47,7 +47,7 @@
             Franek Korta
             Frank Rast
             Joe Orton
-            luzpaz
+            @luzpaz
             Pedro Vicente
             Rainer Jung
             Rhodri James