diff --git a/doc/help/commands.asciidoc b/doc/help/commands.asciidoc
index ca55532d8..99d8b1e33 100644
--- a/doc/help/commands.asciidoc
+++ b/doc/help/commands.asciidoc
@@ -1666,7 +1666,7 @@ Shift the focus of the prompt file completion menu to another item.
 
 [[prompt-open-download]]
 === prompt-open-download
-Syntax: +:prompt-open-download ['cmdline']+
+Syntax: +:prompt-open-download [*--pdfjs*] ['cmdline']+
 
 Immediately open a download.
 
@@ -1678,6 +1678,9 @@ If no specific command is given, this will use the system's default application
  cmdline.
 
 
+==== optional arguments
+* +*-p*+, +*--pdfjs*+: Open the download via PDF.js.
+
 ==== note
 * This command does not split arguments after the last argument and handles quotes literally.
 
diff --git a/doc/help/settings.asciidoc b/doc/help/settings.asciidoc
index 52cde12c2..be3ceae77 100644
--- a/doc/help/settings.asciidoc
+++ b/doc/help/settings.asciidoc
@@ -660,6 +660,7 @@ Default:
 * +pass:[<Ctrl-F>]+: +pass:[rl-forward-char]+
 * +pass:[<Ctrl-H>]+: +pass:[rl-backward-delete-char]+
 * +pass:[<Ctrl-K>]+: +pass:[rl-kill-line]+
+* +pass:[<Ctrl-P>]+: +pass:[prompt-open-download --pdfjs]+
 * +pass:[<Ctrl-U>]+: +pass:[rl-unix-line-discard]+
 * +pass:[<Ctrl-W>]+: +pass:[rl-unix-word-rubout]+
 * +pass:[<Ctrl-X>]+: +pass:[prompt-open-download]+