diff --git a/doc/espterm-xterm.html b/doc/espterm-xterm.html
index 0b4d159..63170d4 100644
--- a/doc/espterm-xterm.html
+++ b/doc/espterm-xterm.html
@@ -365,7 +365,7 @@ VT Vertical Tab (Ctrl-K). This is treated the same as LF.
ESPTerm's answerbackString has the form SOS ESPTerm VERSION ST
- (SOS and ST as described in C1 (8-Bit) Control Characters.