[shotwell] doc: Update supported photo formats

[Jens Georg <jensgeorg src gnome org>]

commit 79751eebb885d3c038b725e5b6c8ca219d647ce7
Author: Jens Georg <mail jensge org>
Date:   Wed Mar 4 22:05:38 2020 +0100

    doc: Update supported photo formats

 help/C/formats.page | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/help/C/formats.page b/help/C/formats.page
index d7e51705..f080f5c2 100644
--- a/help/C/formats.page
+++ b/help/C/formats.page
@@ -4,16 +4,16 @@
 
     <info>
         <link type="guide" xref="index"/>
-        <desc>Shotwell supports JPEG, PNG, TIFF, BMP and RAW photo files as well as video files.</desc>
+        <desc>Shotwell supports JPEG, PNG, TIFF, BMP, GIF, WebP and RAW photo files as well as video 
files.</desc>
         
         <link type="next" xref="running" />
     </info>
 
        <title>Supported photo and video formats</title>
 
-   <p>Shotwell supports JPEG, PNG, TIFF, BMP and <link xref="other-raw">RAW</link> photo files. Shotwell 
does not yet support other graphics format such as GIF.</p>
+   <p>Shotwell supports JPEG, PNG, TIFF, BMP, GIF, WebP and <link xref="other-raw">RAW</link> photo 
files.</p>
 
-<p>Shotwell's RAW format support is currently limited. When you view a RAW photo, you are actually viewing a 
JPEG derived from the RAW photo, not the RAW image itself. Additionally, the RAW editing pipeline is not 
fully 16-bit - you can only export edited photos as 8-bit files. All supported formats can be used for export 
(JPEG, PNG, TIFF, BMP).</p>
+<p>Shotwell's RAW format support is currently limited. When you view a RAW photo, you are actually viewing a 
JPEG derived from the RAW photo, not the RAW image itself. Additionally, the RAW editing pipeline is not 
fully 16-bit - you can only export edited photos as 8-bit files. Most supported formats can be used for 
export (JPEG, PNG, TIFF, BMP).</p>
 
 <p>For more information about RAW-format photos in Shotwell, please see
 the <link xref="other-raw">RAW</link> section.