diff --git a/specification.md b/specification.md
index 46fc1f3..a870212 100644
--- a/specification.md
+++ b/specification.md
@@ -683,7 +683,8 @@ Makefile | `makefile`
 Markdown | `markdown`
 Objective-C | `objective-c`
 Objective-C++ | `objective-cpp`
-Perl | `perl` and `perl6`
+Perl | `perl`
+Perl 6 | `perl6`
 PHP | `php`
 Powershell | `powershell`
 Pug | `jade`