1 files changed, 5 insertions, 1 deletions

diff --git a/manual/advanced_topics/main.tex b/manual/advanced_topics/main.tex
index 940852d593..b9beb937d8 100755
--- a/manual/advanced_topics/main.tex
+++ b/manual/advanced_topics/main.tex
@@ -530,7 +530,7 @@ title [artist]''.
 %  %fbkBit %?fv<avg|> %?iv<(id3v%iv)|(no id3)>
 %  %pb
 %  %pm
-% 
+%
 %\end{verbatim}
 
 \section{\label{ref:manage_settings}Managing Rockbox Settings}
@@ -669,6 +669,10 @@ You just ``play'' a file with the extension %
 \opt{gigabeatf,gigabeats}{\fname{.gigabeat}.} %
 \opt{fiiom3k}{\fname{.m3k}} %
 \opt{shanlingq1}{\fname{.q1}} %
+\opt{agptekrocker}{\fname{.rocker}} %
+\opt{xduoox3ii}{\fname{.x3ii}} %
+\opt{xduoox20}{\fname{.x20}} %
+\opt{aigoerosq}{\fname{.erosq}} %
 This can be used to test new firmware versions without deleting your
 current version.