diff --git a/README b/README
index 4896b24d..1882b134 100644
--- a/README
+++ b/README
@@ -168,7 +168,7 @@ options:
   -noalpha ............... discard any transparency information.
   -lossless .............. Encode image losslessly.
   -hint <string> ......... Specify image characteristics hint.
-                           One of: photo, picture or graph.
+                           One of: photo, picture or graph
 
   -short ................. condense printed message
   -quiet ................. don't print anything.
@@ -231,7 +231,8 @@ Usage: dwebp in_file [options] [-o out_file]
 
 Decodes the WebP image file to PNG format [Default]
 Use following options to convert into alternate image formats:
-  -ppm ......... save the raw RGB samples as color PPM
+  -pam ......... save the raw RGBA samples as a color PAM
+  -ppm ......... save the raw RGB samples as a color PPM
   -pgm ......... save the raw YUV samples as a grayscale PGM
                  file with IMC4 layout.
  Other options are:
@@ -241,6 +242,7 @@ Use following options to convert into alternate image formats:
   -mt .......... use multi-threading
   -crop <x> <y> <w> <h> ... crop output with the given rectangle
   -scale <w> <h> .......... scale the output (*after* any cropping)
+  -alpha ....... only save the alpha plane.
   -h     ....... this help message.
   -v     ....... verbose (e.g. print encoding/decoding times)
   -noasm ....... disable all assembly optimizations.