diff --git a/README.md b/README.md
index e9a4d2f3..b597ff0a 100644
--- a/README.md
+++ b/README.md
@@ -889,6 +889,19 @@ Options:
                                   best quality, a value of 0.0 specifies maximum
                                   compression. Defaults to 1.0
 
+  --preview                       Export preview image generated by Photos. This
+                                  is a lower-resolution image used by Photos to
+                                  quickly preview the image.
+
+  --preview-suffix SUFFIX         Optional suffix template for naming preview
+                                  photos.  Default name for preview photos is in
+                                  form 'photoname_preview.ext'. For example,
+                                  with '--preview-suffix _low_res', the preview
+                                  photo would be named 'photoname_low_res.ext'.
+                                  The default suffix is '_preview'. Multi-value
+                                  templates (see Templating System) are not
+                                  permitted with --preview-suffix.
+
   --download-missing              Attempt to download missing photos from
                                   iCloud. The current implementation uses
                                   Applescript to interact with Photos to export
@@ -1754,7 +1767,7 @@ Substitution                    Description
 {lf}                            A line feed: '\n', alias for {newline}
 {cr}                            A carriage return: '\r'
 {crlf}                          a carriage return + line feed: '\r\n'
-{osxphotos_version}             The osxphotos version, e.g. '0.42.54'
+{osxphotos_version}             The osxphotos version, e.g. '0.42.57'
 {osxphotos_cmd_line}            The full command line used to run osxphotos
 
 The following substitutions may result in multiple values. Thus if specified for
@@ -3579,7 +3592,7 @@ The following template field substitutions are availabe for use the templating s
 |{lf}|A line feed: '\n', alias for {newline}|
 |{cr}|A carriage return: '\r'|
 |{crlf}|a carriage return + line feed: '\r\n'|
-|{osxphotos_version}|The osxphotos version, e.g. '0.42.54'|
+|{osxphotos_version}|The osxphotos version, e.g. '0.42.57'|
 |{osxphotos_cmd_line}|The full command line used to run osxphotos|
 |{album}|Album(s) photo is contained in|
 |{folder_album}|Folder path + album photo is contained in. e.g. 'Folder/Subfolder/Album' or just 'Album' if no enclosing folder|