diff --git a/DOCS/xml/en/encoding-guide.xml b/DOCS/xml/en/encoding-guide.xml
index a18730f4cd..bac19041b9 100644
--- a/DOCS/xml/en/encoding-guide.xml
+++ b/DOCS/xml/en/encoding-guide.xml
@@ -4059,7 +4059,7 @@ if a codec fails or gives wrong output.
tsccvid.dll
TechSmith Camtasia Screen Codec (TSCC)
8230d8560c41d444f249802a2700d1d5
-
+ shareware error on windows
vp31vfw.dll
@@ -4091,6 +4091,21 @@ if a codec fails or gives wrong output.
a7b4bf5cac630bb9262c3f80d8a773a1
+
+ msulvc06.DLL
+ MSU Lossless codec (MSUD)
+ 294bf9288f2f127bb86f00bfcc9ccdda
+
+ Decodable by Window Media Player,
+ not MPlayer (yet).
+
+
+
+ camcodec.dll
+ CamStudio lossless video codec(CSCD)
+ 0efe97ce08bb0e40162ab15ef3b45615
+ sf.net/projects/camstudio
+