updated FreeBSD instructions

docs/build_notes_unix.md

@@ -96,6 +96,9 @@ miniupnpc-devel
 FreeBSD
 -------
 
+For 10.X  use clang. You would also need boost and openssl ports.
+Type gmake, it invokes Makefile.bsd, make necessary changes there is required.
+
 Branch 9.X has gcc v4.2, that knows nothing about required c++11 standart.
 
 Required ports:
@@ -110,10 +113,6 @@ export CC=/usr/local/bin/gcc47
 export CXX=/usr/local/bin/g++47
 ```
 
-Branch 10.X has more reliable clang version, that can finally build i2pd,
-but I still recommend to use gcc, otherwise you will fight it's bugs by
-your own.
-
 CMake Options
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