Update files for the 7.4b BETA release.
diff --git a/README_src.txt b/README_src.txt
index 968c653..d753b2b 100644
--- a/README_src.txt
+++ b/README_src.txt
@@ -1,4 +1,4 @@
-README_src.txt for version 7.4a of Vim: Vi IMproved.
+README_src.txt for version 7.4b of Vim: Vi IMproved.
 
 The source archive contains the files needed to compile Vim on Unix systems.
 It is packed for Unix systems (NL line separator).