Add comment for migration.

2012-10-04 10:56:01 -07:00 · 2012-10-04 10:56:01 -07:00 · 2a7312836c
commit 2a7312836c
parent eea7f90c7f
1 changed files with 1 additions and 0 deletions
--- a/extensions/firefox/content/PdfJs.jsm
+++ b/extensions/firefox/content/PdfJs.jsm
@ -115,6 +115,7 @@ let PdfJs = {
    if (currentVersion >= VERSION) {
      return;
    }
+    // Make pdf.js the default pdf viewer on the first migration.
    if (currentVersion < 2) {
      this._becomeHandler();
    }