diff --git a/README.md b/README.md
index 64113e6eceada..088c8469e5101 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # PDF.js
 
-This is a fork of the last known version of PDF.js with support for SeaMonkey 2.49.x.
+This is a fork of the last known version of PDF.js with support for SeaMonkey
+2.49.x, with some additional changes cherry-picked from the main branch.
 
 For more information about pdf.js, see: https://github.com/mozilla/pdf.js
 
@@ -21,19 +22,6 @@ If everything worked out, install all dependencies for PDF.js:
 
     $ npm install
 
-Finally, you need to start a local web server as some browsers do not allow opening
-PDF files using a `file://` URL. Run:
-
-    $ gulp server
-
-and then you can open:
-
-+ http://localhost:8888/web/viewer.html
-
-It is also possible to view all test PDF files on the right side by opening:
-
-+ http://localhost:8888/test/pdfs/?frame
-
 ## Building PDF.js
 
 To build the Firefox / SeaMonkey extension, run:
@@ -41,7 +29,8 @@ To build the Firefox / SeaMonkey extension, run:
     $ gulp firefox
 
 You will want to make sure that "zip" and "git" are in your PATH. On Windows,
-this is not necessarily the case by default. You can set the PATH in the
-command prompt with a command like:
+you can get zip.exe from ftp://ftp.info-zip.org/pub/infozip/win32/zip300xn.zip
+and install Git from https://gitforwindows.org/. Then you can set the PATH in
+the command prompt with a command like:
 
     SET PATH=C:\folder1;C:\folder2;%PATH%
diff --git a/pdfjs.config b/pdfjs.config
index b9c735bf12066..b2fb5e1f6fbd7 100644
--- a/pdfjs.config
+++ b/pdfjs.config
@@ -1,6 +1,6 @@
 {
   "betaVersion": "1.10.88",
   "stableVersion": "1.9.426",
-  "baseVersion": "9b353ef407b694c10c755501a9693b8173a4e8e0",
-  "versionPrefix": "2.0."
+  "baseVersion": "9e306d43c8ad8ae8271dfc04894f5c0dad90bdff",
+  "versionPrefix": "0.1."
 }
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