Updated documentation.

1 files changed, 9 insertions, 6 deletions

diff --git a/README b/README
index 5011153..69ae101 100644
--- a/README
+++ b/README
@@ -1,18 +1,18 @@
 
 GENCLOCKIMG
 
-	genclockimg is a small program to generate clock face PNG images.
+	genclockimg is a small program to generate clock face images.
 	I made it to generate a time index watermark for my timelapse videos.
 
-	It is written in C and uses cairo and libpopt. These are fairly common
-	and chances are high you already have this installed on your system.
+	It is written in C and uses libjpeg, cairo and libpopt. These are fairly common
+	and chances are high you already have these installed on your system.
 	
-	I used rahra's cairo_jpg library to handle JPEG images.
+	I used Bernhard R. Fischer cairo_jpg library to handle JPEG images.
 	See https://github.com/rahra/cairo_jpg
 
 BUILDING
 
-	To build genclockimg you need libcairo and libpopt and 
+	To build genclockimg you need libjpeg, libcairo, libpopt and 
 	their accompanying dev packages installed. You'll also need 
 	a C compiler and GNU Make.
 
@@ -46,6 +46,9 @@ OPTIONS
 		Output filename. The .png extension is NOT added automaticly!
 		The output is always PNG, even if you name the file differently.
 		
+	-j
+		Write a JPEG file instead of PNG.
+		
 	-t HH:MM
 		Time to show on the clock
 		
@@ -60,7 +63,7 @@ EXAMPLES
 
 	Generate a series of clock images based on the timestamps of a series of source images:
 	
-	for file in *.jpg; do genclockimg -t `date -r "${file}" +"%H:%M"` -o "${file}-clock.png"; done
+	for file in *.jpg; do genclockimg -j -t `date -r "${file}" +"%H:%M"` -o "clock-${file}"; done
 	
 LICENSE