diff --git a/AUTHORS b/AUTHORS
index 9d43a11b0..6548d6b8c 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -219,3 +219,4 @@ suggestions:
   Dirk Sarpe
   Will Dietz
   Charles Ulrich
+  Jack
diff --git a/ChangeLog b/ChangeLog
index aa7eca7d7..9f9a6c248 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -102,6 +102,8 @@
           (thanks to Charles Ulrich).
 - TW-1345 taskrc.5 manpage errors.
 - TW-1361 Strange results with complex filter (thanks to Jim B).
+- TW-1366 In diagnostics it's called 'Cert', and in config it's called
+          'certificate' (thanks to Jack).
 - Removed deprecated 'echo.command' setting, in favor of the 'header' and
   'affected' verbosity tokens.
 - Removed deprecated 'edit.verbose' setting, in favor of the 'edit' verbosity
diff --git a/src/commands/CmdDiagnostics.cpp b/src/commands/CmdDiagnostics.cpp
index d371cb50e..c47dec897 100644
--- a/src/commands/CmdDiagnostics.cpp
+++ b/src/commands/CmdDiagnostics.cpp
@@ -249,7 +249,7 @@ int CmdDiagnostics::execute (std::string& output)
   else
     out << "      Trust: strict\n";
 
-  out << "       Cert: "
+  out << "Certificate: "
       << context.config.get ("taskd.certificate")
       << (File (context.config.get ("taskd.certificate")).readable ()
            ? " (readable)" : " (not readable)")