diff --git a/data/color-row.ui b/data/color-row.ui
index 5097996..867e982 100644
--- a/data/color-row.ui
+++ b/data/color-row.ui
@@ -43,7 +43,7 @@
           <object class="GtkEntry" id="entry">
             <property name="visible">True</property>
             <property name="can_focus">True</property>
-            <property name="tooltip_text" translatable="yes">Click to change the color's name</property>
+            <property name="tooltip_text" translatable="yes">Click to change the color’s name</property>
             <property name="text" translatable="yes">Name</property>
             <property name="caps_lock_warning">False</property>
             <signal name="activate" handler="gcolor3_color_row_entry_activated" object="Gcolor3ColorRow" swapped="no"/>
@@ -65,7 +65,7 @@
                 <property name="visible">True</property>
                 <property name="can_focus">True</property>
                 <property name="receives_default">False</property>
-                <property name="tooltip_text" translatable="yes">Copy this color's hex value to the clipboard</property>
+                <property name="tooltip_text" translatable="yes">Copy this color’s hex value to the clipboard</property>
                 <property name="always_show_image">True</property>
                 <signal name="clicked" handler="gcolor3_color_row_copy_button_clicked" object="Gcolor3ColorRow" swapped="no"/>
                 <child>
diff --git a/data/shortcuts.ui b/data/shortcuts.ui
index 0d38c06..d1e44a9 100644
--- a/data/shortcuts.ui
+++ b/data/shortcuts.ui
@@ -42,7 +42,7 @@
               <object class="GtkShortcutsShortcut">
                 <property name="visible">1</property>
                 <property name="accelerator">&lt;ctrl&gt;c</property>
-                <property name="title" translatable="yes">Copy highlighted color's hex value</property>
+                <property name="title" translatable="yes">Copy highlighted color’s hex value</property>
               </object>
             </child>
             <child>
diff --git a/data/window.ui b/data/window.ui
index 518f457..b15b02b 100644
--- a/data/window.ui
+++ b/data/window.ui
@@ -22,7 +22,7 @@
             <property name="visible">True</property>
             <property name="can_focus">True</property>
             <property name="activates_default">True</property>
-            <property name="placeholder_text" translatable="yes">Color name...</property>
+            <property name="placeholder_text" translatable="yes">Color name…</property>
             <signal name="activate" handler="gcolor3_window_entry_activated" object="Gcolor3Window" swapped="no"/>
             <signal name="key-press-event" handler="gcolor3_window_picker_page_key_handler" object="Gcolor3Window" swapped="no"/>
           </object>
@@ -221,7 +221,7 @@
               </object>
               <packing>
                 <property name="name">page0</property>
-                <property name="title" translatable="yes">page0</property>
+                <property name="title">page0</property>
                 <property name="position">1</property>
               </packing>
             </child>
diff --git a/src/gcolor3-color-store.c b/src/gcolor3-color-store.c
index be8e6fe..5745adf 100644
--- a/src/gcolor3-color-store.c
+++ b/src/gcolor3-color-store.c
@@ -293,7 +293,7 @@ gcolor3_color_store_rename_color (Gcolor3ColorStore *store,
 	}
 
 	if (!(g_key_file_has_key (priv->colors, "Colors", old_name, NULL))) {
-		g_warning (_("Cannot rename nonexisting color `%s`"), old_name);
+		g_warning (_("Cannot rename non-existing color `%s`"), old_name);
 		return FALSE;
 	}
 
diff --git a/src/main.c b/src/main.c
index 74f3d9e..8eb01de 100644
--- a/src/main.c
+++ b/src/main.c
@@ -40,7 +40,7 @@ _print_version_and_exit (UNUSED const gchar *name,
 }
 
 static const GOptionEntry options[] = {
-	{ "version", 'v', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, _print_version_and_exit, N_("Show the application's version"), NULL },
+	{ "version", 'v', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, _print_version_and_exit, N_("Show the application’s version"), NULL },
 	{ NULL }
 };
 
@@ -51,7 +51,7 @@ _parse_options (int argc, char **argv)
 	GError *error = NULL;
 	gboolean succes;
 
-	context = g_option_context_new (_("- pick a color from the picker or the screen"));
+	context = g_option_context_new (_("— pick a color from the picker or the screen"));
 	g_option_context_add_main_entries (context, options, GETTEXT_PACKAGE);
 	/* This initialises GTK during parsing. */
 	g_option_context_add_group (context, gtk_get_option_group (FALSE));
@@ -62,7 +62,7 @@ _parse_options (int argc, char **argv)
 	if (!succes) {
 		gchar *help;
 
-		help = g_strdup_printf (_("Run '%s --help' to see a full "
+		help = g_strdup_printf (_("Run “%s --help” to see a full "
 					"list of available command line "
 					"options"), argv[0]);
 		g_printerr ("%s\n%s\n", error->message, help);