[gnome-klotski] Fix typos.

[Arnaud B. <arnaudb src gnome org>]

commit e829e8017221fb25e8c2d792af5ae0a4df62f7e9
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Sat Jun 13 20:16:01 2020 +0200

    Fix typos.
    
    Found by [Codespell](https://github.com/codespell-project/codespell).

 data/org.gnome.Klotski.appdata.xml.in | 2 +-
 src/gnome-klotski.vala                | 2 +-
 src/klotski-window.vala               | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/data/org.gnome.Klotski.appdata.xml.in b/data/org.gnome.Klotski.appdata.xml.in
index 9160445..278b25a 100644
--- a/data/org.gnome.Klotski.appdata.xml.in
+++ b/data/org.gnome.Klotski.appdata.xml.in
@@ -66,7 +66,7 @@
   </content_rating>
 
   ​<releases>
-    <!-- should be kept in versionning inverted order -->
+    <!-- should be kept in versioning inverted order -->
   ​  <release version="3.37.2" date="2020-05-30" type="development" urgency="low"/>
     <release version="3.36.3" date="2020-05-30" type="stable" urgency="medium"/>
   </releases>
diff --git a/src/gnome-klotski.vala b/src/gnome-klotski.vala
index cafb198..4fcf7a5 100644
--- a/src/gnome-klotski.vala
+++ b/src/gnome-klotski.vala
@@ -85,7 +85,7 @@ private class Klotski : Gtk.Application
 
         set_accels_for_action ("win.prev-puzzle",   {"Up"});        // TODO
         set_accels_for_action ("win.next-puzzle",   {"Down"});      // TODO a weird behaviour exists when 
you first change puzzle pack, then go to
-        set_accels_for_action ("win.prev-pack",     {"Page_Up"});   // TODO the first/last one, click on a 
puzzle, and immediatly hit Up or Down arrows.
+        set_accels_for_action ("win.prev-pack",     {"Page_Up"});   // TODO the first/last one, click on a 
puzzle, and immediately hit Up or Down arrows.
         set_accels_for_action ("win.next-pack",     {"Page_Down"}); // TODO that makes these keybindings 
sometimes act strangely, but they’re good.
 
         set_accels_for_action ("win.start-game",    { "<Shift><Primary>n",
diff --git a/src/klotski-window.vala b/src/klotski-window.vala
index 0b6c9bf..d660703 100644
--- a/src/klotski-window.vala
+++ b/src/klotski-window.vala
@@ -165,7 +165,7 @@ private class KlotskiWindow : ApplicationWindow
             "    .." +
             "    .." },
 
-        /* puzzle name - sometimes called "Le'Ane Rouge" */
+        /* Translators: puzzle name — sometimes called by french name "L’Âne Rouge" (with the same meaning) 
*/
         {   N_("Red Donkey"), /* group */ 0,
             /* width and height */ 6, 9,
             "######" +