From 51d3bd17e994988443ecb77b86dbf5177bd9046a Mon Sep 17 00:00:00 2001
From: Colin Clark <colin.clark@cclark.uk>
Date: Wed, 8 Jul 2020 16:54:03 +0100
Subject: [PATCH] Update dupes documentation

---
 doc/docbook/GuideImageSearchFindingDuplicates.xml | 14 +++++++-------
 src/dupe.c                                        |  2 +-
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/doc/docbook/GuideImageSearchFindingDuplicates.xml b/doc/docbook/GuideImageSearchFindingDuplicates.xml
index 74eaa95e..d84e33b9 100644
--- a/doc/docbook/GuideImageSearchFindingDuplicates.xml
+++ b/doc/docbook/GuideImageSearchFindingDuplicates.xml
@@ -107,7 +107,7 @@
           <guilabel>Similarity (high)</guilabel>
         </term>
         <listitem>
-          <para>Very similar image content.</para>
+          <para>Very similar image content. Preset to 95%.</para>
         </listitem>
       </varlistentry>
       <varlistentry>
@@ -115,7 +115,7 @@
           <guilabel>Similarity</guilabel>
         </term>
         <listitem>
-          <para>Similar image content.</para>
+          <para>Similar image content. Preset to 90%.</para>
         </listitem>
       </varlistentry>
       <varlistentry>
@@ -123,7 +123,7 @@
           <guilabel>Similarity (low)</guilabel>
         </term>
         <listitem>
-          <para>Slightly similar image content.</para>
+          <para>Slightly similar image content. Preset to 85%.</para>
         </listitem>
       </varlistentry>
       <varlistentry>
@@ -132,7 +132,7 @@
         </term>
         <listitem>
           <para>
-            The percentage value to used to consider two images a match is configured in the spin box at the bottom of the window.
+            The percentage value to used to consider two images a match is configured in the spin box at the bottom of the window. Setting a value to less than 85 is not likely to be useful.
           </para>
         </listitem>
       </varlistentry>
@@ -217,9 +217,9 @@
     <title>Thumbnails</title>
     <para>Thumbnails can be displayed beside each image in the result list by enabling the Thumbnails check box.</para>
   </section>
-  <section id="Rotation">
-    <title>Ignore Rotation</title>
-    <para>When checked, the rotational orientation of images will be ignored.</para>
+  <section id="Orientation">
+    <title>Ignore Orientation</title>
+    <para>When selected and a similarity compare is being used, the images are checked against 4 rotations: 0°, 90°, 180°, 270°, plus flip and mirror.</para>
   </section>
   <section id="Sort">
     <title>Sort</title>
diff --git a/src/dupe.c b/src/dupe.c
index 94d3263f..cdbe6307 100644
--- a/src/dupe.c
+++ b/src/dupe.c
@@ -3706,7 +3706,7 @@ DupeWindow *dupe_window_new()
 	gtk_box_pack_start(GTK_BOX(status_box), button, FALSE, FALSE, PREF_PAD_SPACE);
 	gtk_widget_show(button);
 
-	dw->button_rotation_invariant = gtk_check_button_new_with_label(_("Ignore Rotation"));
+	dw->button_rotation_invariant = gtk_check_button_new_with_label(_("Ignore Orientation"));
 	gtk_widget_set_tooltip_text(GTK_WIDGET(dw->button_rotation_invariant), "Ignore image orientation");
 	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(dw->button_rotation_invariant), options->rot_invariant_sim);
 	g_signal_connect(G_OBJECT(dw->button_rotation_invariant), "toggled",
-- 
2.20.1