diff --git a/Library/Homebrew/missing_formula.rb b/Library/Homebrew/missing_formula.rb
index ec3ddb4ce1..2aabc656b4 100644
--- a/Library/Homebrew/missing_formula.rb
+++ b/Library/Homebrew/missing_formula.rb
@@ -14,7 +14,7 @@ module Homebrew
           macOS provides gem as part of Ruby. To install a newer version:
             brew install ruby
         EOS
-        when "tex", "tex-live", "texlive", "latex" then <<~EOS
+        when "tex", "tex-live", "texlive", "mactex", "latex" then <<~EOS
           There are three versions of MacTeX.
 
           Full installation:
@@ -26,6 +26,10 @@ module Homebrew
           Minimal installation:
             brew cask install basictex
         EOS
+        when "asymptote" then <<~EOS
+          Asymptote is part of MacTeX:
+            brew cask install mactex
+        EOS
         when "pip" then <<~EOS
           pip is part of the python formula:
             brew install python