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-rw-r--r--doc/Devices.htm5
1 files changed, 3 insertions, 2 deletions
diff --git a/doc/Devices.htm b/doc/Devices.htm
index 8bcc1b9b2..605f20550 100644
--- a/doc/Devices.htm
+++ b/doc/Devices.htm
@@ -915,8 +915,9 @@ to permit production of PDF files from input where the graphics
model differs significantly from PDF (eg PCL and RasterOPs).
</p>
<p>
-There are four devices named pdfimage8, pdfimage24, pdfimage32 and PCLm. These produce valid
-PDF files with a colour depth of 8 (Gray), 24 (RGB) or 32 (CMYK), the PCLm device only supports 24-bit RGB.
+There are five devices named pdfimage8, pdfimage24, pdfimage32, pclm and pclm8. These produce valid
+PDF files with a colour depth of 8 (Gray), 24 (RGB) or 32 (CMYK), the pclm device only supports 24-bit RGB
+and the pclm8 device only supports 8-bit gray.
These are all implemented as 'downscale' devices, which means they can implement page level
anti-aliasing using the <code>-dDownScaleFactor</code> switch.
</p>