diff --git a/README b/README
index 131946b3a..577619276 100644
--- a/README
+++ b/README
@@ -8,7 +8,7 @@ Quickstart guide
To compile ejabberd you need:
- GNU Make
- GCC
- - Erlang/OTP R12B-5. Support for R13 or higher is experimental.
+ - Erlang/OTP R12B-4 or higher, R13B or higher.
- exmpp 0.9.1 or higher
- OpenSSL 0.9.6 or higher, for STARTTLS, SASL and SSL
encryption. Optional, highly recommended.
diff --git a/doc/guide.html b/doc/guide.html
index bba8c2c2b..b4922a24c 100644
--- a/doc/guide.html
+++ b/doc/guide.html
@@ -335,7 +335,7 @@ as long as your system have all the dependencies.
-
GNU Make
- GCC
-
- Erlang/OTP R12B-5. Support for R13 or higher is experimental.
+
- Erlang/OTP R12B-4 or higher, R13B or higher.
- exmpp 0.9.1 or higher
- OpenSSL 0.9.6 or higher, for STARTTLS, SASL and SSL encryption. Optional, highly recommended.
- Zlib 1.2.3 or higher, for Stream Compression support (XEP-0138). Optional.
diff --git a/doc/guide.tex b/doc/guide.tex
index 730243b5e..ed38ca9c0 100644
--- a/doc/guide.tex
+++ b/doc/guide.tex
@@ -299,7 +299,7 @@ To compile \ejabberd{} on a `Unix-like' operating system, you need:
\begin{itemize}
\item GNU Make
\item GCC
-\item Erlang/OTP R12B-5. Support for R13 or higher is experimental.
+\item Erlang/OTP R12B-4 or higher, R13B or higher.
\item exmpp 0.9.1 or higher
\item OpenSSL 0.9.6 or higher, for STARTTLS, SASL and SSL encryption. Optional, highly recommended.
\item Zlib 1.2.3 or higher, for Stream Compression support (\xepref{0138}). Optional.