update the version (I am lazy)

scripts/README

@@ -6,9 +6,9 @@ stored.
 Generate the diff between to beta versions.
 
 For example:
-scripts/stats-beta.sh ~/dev/mozilla/beta-src FIREFOX_32_0b1_RELEASE FIREFOX_32_0b2_RELEASE > _posts/$(date +"%Y-%m-%d")-fx-32-b1-to-b2.md
+scripts/stats-beta.sh ~/dev/mozilla/beta-src FIREFOX_33_0b1_RELEASE FIREFOX_32_0b3_RELEASE > _posts/$(date +"%Y-%m-%d")-fx-33-b1-to-b2.md
 
-Will generate the diff between beta 1 and beta 2 of Firefox 32.
+Will generate the diff between beta 1 and beta 2 of Firefox 33.