diff --git a/manual/configure_rockbox/system_options.tex b/manual/configure_rockbox/system_options.tex
index ca2504063e..32bf5e79a8 100644
--- a/manual/configure_rockbox/system_options.tex
+++ b/manual/configure_rockbox/system_options.tex
@@ -25,6 +25,7 @@
       \opt{gigabeatf}{2000~mAh}%
       \opt{gigabeats}{700~mAh}%
       \opt{cowond2}{1600~mAh}%
+      \opt{mrobe100}{720~mAh}%
       , which is the capacity value for the standard
       \opt{archos}{batteries}\nopt{archos}{battery} shipped with the \dap.
         Rockbox uses this value for runtime estimation, not battery percentage