[DOC] Minimal Go version is 1.4

Signed-off-by: Sergey Matveev <stargrave@stargrave.org>

diff --git a/doc/installation.texi b/doc/installation.texi
index ca95bb1bd216693decec0da5af1550503326bca9..63205788dd1f819337f9473aa7d7eaacc5e490e3 100644 (file)
--- a/doc/installation.texi
+++ b/doc/installation.texi
@@ -18,11 +18,12 @@ Possibly GoVPN already exists in your distribution:
 @end itemize
 
 GoVPN is written on Go programming language and you have to install Go
-compiler (1.5+ version is highly recommended): @code{lang/go} port in
-FreeBSD and @code{golang} package in most GNU/Linux distributions.
-@emph{Make} (BSD and GNU ones are fine) is recommended for convenient
-building. @url{https://www.gnu.org/software/texinfo/, Texinfo} is used
-for building documentation. Possibly you also need to install TUN/TAP
+compiler (1.5+ version is highly recommended, 1.4 is the minimal
+sufficient): @code{lang/go} port in FreeBSD and @code{golang} package in
+most GNU/Linux distributions. @emph{Make} (BSD and GNU ones are fine) is
+recommended for convenient building.
+@url{https://www.gnu.org/software/texinfo/, Texinfo} is used for
+building documentation. Possibly you also need to install TUN/TAP
 interface utilities (depending on your operating system):
 @code{uml-utilities} package in most GNU/Linux distributions.