diff --git a/doc/cgmnlm.scd b/doc/cgmnlm.scd
index bbc057517679bf20d097d3c13cce66ff867d44e1..a6e07153e101b487c8706a83777934dd853b5425 100644
--- a/doc/cgmnlm.scd
+++ b/doc/cgmnlm.scd
@@ -6,7 +6,7 @@ cgmnlm - colored Gemini line-mode browser
# SYNPOSIS
-*cgmnlm* [-PU] [-j _mode_] [-W _width_] _gemini://..._
+*cgmnlm* [-PUAT] [-j _mode_] [-W _width_] _gemini://..._
# DESCRIPTION
@@ -30,7 +30,7 @@ *-W* _width_
Sets the maximum width, in columns, of Gemtext pages.
*-A*
- Enables alternate text instead of preformatted text by default.
+ Show alternate text of preformatted sections instead of the preformatted text by default.
*-T*
- Open files downloaded with *t* command in default viewer (requires *xdg-open*)
+ Automatically open files downloaded with *t* command in default viewer (requires *xdg-open*)