diff --git a/modules/plugins/languages/tex/build/builders/latexmk.nix b/modules/plugins/languages/tex/build/builders/latexmk.nix
index 8872f3dd..bbb4ecd5 100644
--- a/modules/plugins/languages/tex/build/builders/latexmk.nix
+++ b/modules/plugins/languages/tex/build/builders/latexmk.nix
@@ -44,6 +44,8 @@ in (
       };
     };
 
+    # Optional flags must come before the base args because of how the latexmk
+    # command works
     args = builderCfg: (
       # Flags
       (optionals builderCfg.pdfOutput ["-pdf"])