diff --git a/README.md b/README.md
index fc9c1a6b8c..0d0552a477 100644
--- a/README.md
+++ b/README.md
@@ -17,9 +17,11 @@ which means you can modify it, redistribute it or use it however you like.
     -i, --ignore-errors      continue on download errors
     -r, --rate-limit LIMIT   download rate limit (e.g. 50k or 44.6m)
     -R, --retries RETRIES    number of retries (default is 10)
-    -b, --buffer-size SIZE   size of download buffer (e.g. 1024 or 16k) (default
+    --buffer-size SIZE       size of download buffer (e.g. 1024 or 16k) (default
                              is 1024)
-    --no-resize-buffer       do not automatically adjust the buffer size
+    --no-resize-buffer       do not automatically adjust the buffer size. By
+                             default, the buffer size is automatically resized
+                             from an initial value of SIZE.
     --dump-user-agent        display the current browser identification
     --list-extractors        List all supported extractors and the URLs they
                              would handle
diff --git a/youtube-dl b/youtube-dl
index 6e6932b521..f615f6f9b2 100755
Binary files a/youtube-dl and b/youtube-dl differ
diff --git a/youtube-dl.exe b/youtube-dl.exe
index 4ff820dc85..f74249a208 100755
Binary files a/youtube-dl.exe and b/youtube-dl.exe differ
diff --git a/youtube_dl/__init__.py b/youtube_dl/__init__.py
index 7983b24eb0..15f835a31e 100644
--- a/youtube_dl/__init__.py
+++ b/youtube_dl/__init__.py
@@ -187,11 +187,11 @@ def parseOpts():
 			dest='ratelimit', metavar='LIMIT', help='download rate limit (e.g. 50k or 44.6m)')
 	general.add_option('-R', '--retries',
 			dest='retries', metavar='RETRIES', help='number of retries (default is 10)', default=10)
-	general.add_option('-b', '--buffer-size',
+	general.add_option('--buffer-size',
 			dest='buffersize', metavar='SIZE', help='size of download buffer (e.g. 1024 or 16k) (default is 1024)', default="1024")
 	general.add_option('--no-resize-buffer',
 			action='store_true', dest='noresizebuffer',
-			help='do not automatically adjust the buffer size', default=False)
+			help='do not automatically adjust the buffer size. By default, the buffer size is automatically resized from an initial value of SIZE.', default=False)
 	general.add_option('--dump-user-agent',
 			action='store_true', dest='dump_user_agent',
 			help='display the current browser identification', default=False)