improve README a bit

1 files changed, 9 insertions, 7 deletions

diff --git a/README b/README
index 75dda9f..97f2c5e 100644
--- a/README
+++ b/README
@@ -68,13 +68,13 @@ HTML view with the menu as frames, copy style.css for a default style:
 To automatically update your feeds periodically and format them in a way you
 like you can make a wrapper script and add it as a cronjob.
 
-Most protocols are supported because curl(1) is used by default, therefore
-proxy settings from the environment (such as $http_proxy environment variable)
+Most protocols are supported because curl(1) is used by default and also proxy
+settings from the environment (such as the $http_proxy environment variable)
 are used.
 
 The sfeed(1) program itself is just a parser that parses XML data from stdin
-and is therefore protocol-agnostic. It can be used with HTTP, HTTPs, Gopher,
-SSH, etc.
+and is therefore network protocol-agnostic. It can be used with HTTP, HTTPS,
+Gopher, SSH, etc.
 
 See the section "Usage and examples" below and the man-pages for more
 information how to use sfeed(1) and the additional tools.
@@ -90,11 +90,13 @@ Dependencies
 Optional dependencies
 ---------------------
 
-- POSIX make(1) (for Makefile).
+- POSIX make(1) for Makefile.
 - POSIX sh(1),
   used by sfeed_update(1) and sfeed_opml_export(1).
+- POSIX utilities such as awk(1) and sort(1),
+  used by sfeed_update(1).
 - curl(1) binary: https://curl.haxx.se/ ,
-  used by sfeed_update(1), can be replaced with any tool like wget(1),
+  used by sfeed_update(1), but can be replaced with any tool like wget(1),
   OpenBSD ftp(1) or hurl(1): https://git.codemadness.org/hurl/
 - iconv(1) command-line utilities,
   used by sfeed_update(1). If the text in your RSS/Atom feeds are already UTF-8
@@ -111,7 +113,7 @@ OS tested
 - NetBSD
 - FreeBSD
 - Windows (cygwin gcc, mingw).
-- HaikuOS
+- HaikuOS (using libbsd).
 
 
 Architectures tested