diff --git a/man/mu-find.1 b/man/mu-find.1
index b89b6f3b..a60d8173 100644
--- a/man/mu-find.1
+++ b/man/mu-find.1
@@ -429,7 +429,7 @@ details of the bookmarks file.
 
 
 .TP
-\fB\-\-no\-msgid\-dups\fR
+\fB\-\-no\-dups\fR,\fB-u\fR
 whenever there are multiple messages with the same name, only show the first
 one. This is useful if you have copies of the same message, which is a common
 occurence when using e.g. Gmail together with \fBofflineimap\fR.
@@ -450,9 +450,10 @@ information about the message, as in the following table:
 | other       | |->    | |*>    | |=>       |
 .fi
 
-Here, the an 'orphan' is a message without a parent message (in the list of
+Here, an 'orphan' is a message without a parent message (in the list of
 matches), and a duplicate is a message whose message-id was already seen
-before.
+before; not this may not really be the same message, if the message-id was
+copied.
 
 The algorithm used for determining the threads is based on Jamie Zawinksy's
 description:
diff --git a/mu/mu-cmd-find.c b/mu/mu-cmd-find.c
index a7d84179..455ddd76 100644
--- a/mu/mu-cmd-find.c
+++ b/mu/mu-cmd-find.c
@@ -127,8 +127,8 @@ run_query (MuQuery *xapian, const gchar *query, MuConfig *opts,  GError **err)
 		qflags |= MU_QUERY_FLAG_THREADS;
 	if (opts->reverse)
 		qflags |= MU_QUERY_FLAG_DESCENDING;
-	if (opts->no_msgid_dups)
-		qflags |= MU_QUERY_FLAG_SKIP_MSGID_DUPS;
+	if (opts->no_dups)
+		qflags |= MU_QUERY_FLAG_SKIP_DUPS;
 
 	iter = mu_query_run (xapian, query, sortid, -1, qflags, err);
 	return iter;
diff --git a/mu/mu-config.c b/mu/mu-config.c
index 1c625e9b..32e93f66 100644
--- a/mu/mu-config.c
+++ b/mu/mu-config.c
@@ -213,10 +213,10 @@ config_options_group_find (void)
 		 "use a bookmarked query", "<bookmark>"},
 		{"reverse", 'z', 0, G_OPTION_ARG_NONE, &MU_CONFIG.reverse,
 		 "sort in reverse (descending) order (z -> a)", NULL},
-		{"no-msgid-dups", 'u', 0, G_OPTION_ARG_NONE,
-		 &MU_CONFIG.no_msgid_dups,
-		 "only show the first of multiple messages with the same "
-		 "message-id (false)", NULL},
+		{"no-dups", 'u', 0, G_OPTION_ARG_NONE,
+		 &MU_CONFIG.no_dups,
+		 "show only the first of multiple messages duplicates (false)",
+		 NULL},
 		{"linksdir", 0, 0, G_OPTION_ARG_STRING, &MU_CONFIG.linksdir,
 		 "output as symbolic links to a target maildir", "<dir>"},
 		{"clearlinks", 0, 0, G_OPTION_ARG_NONE, &MU_CONFIG.clearlinks,
diff --git a/mu/mu-config.h b/mu/mu-config.h
index f80e4d4f..399bcd39 100644
--- a/mu/mu-config.h
+++ b/mu/mu-config.h
@@ -139,7 +139,7 @@ struct _MuConfig {
 	gchar		*exec;		/* command to execute on the
 					 * files for the matched
 					 * messages */
-	gboolean        no_msgid_dups;  /* if there are multiple
+	gboolean        no_dups;        /* if there are multiple
 					 * messages with the same
 					 * msgid, show only the first
 					 * one */