documentation: Add the "files" option to the synopsis of "search --output="

This was inadvertently left off when --output=files was recently added
as a new option.

2 files changed, 2 insertions, 2 deletions

diff --git a/notmuch.1 b/notmuch.1
index 53fa6ffc..2c337497 100644
--- a/notmuch.1
+++ b/notmuch.1
@@ -153,7 +153,7 @@ Presents the results in either JSON or plain-text (default).
 
 .RS 4
 .TP 4
-.B \-\-output=(summary|threads|messages|tags)
+.B \-\-output=(summary|threads|messages|files|tags)
 
 .RS 4
 .TP 4
diff --git a/notmuch.c b/notmuch.c
index 1faed3e4..030e4942 100644
--- a/notmuch.c
+++ b/notmuch.c
@@ -165,7 +165,7 @@ command_t commands[] = {
       "\t\tPresents the results in either JSON or\n"
       "\t\tplain-text (default)\n"
       "\n"
-      "\t--output=(summary|threads|messages|tags)\n"
+      "\t--output=(summary|threads|messages|files|tags)\n"
       "\n"
       "\t\tsummary (default)\n"
       "\n"