Change strings "spell checking" -> "spell-checking"

data/org.gnome.gnome-latex.gschema.xml.in

@@ -86,8 +86,8 @@
     </key>
     <key name="spell-checking-language" type="s">
       <default>''</default>
-      <summary>Spell Checking Language</summary>
-      <description>The default language used for the spell checking. Set to the empty string to take the best language available based on the environment.</description>
+      <summary>Spell-Checking Language</summary>
+      <description>The default language used for the spell-checking. Set to the empty string to take the best language available based on the environment.</description>
     </key>
   </schema>
 

src/document_view.vala

@@ -85,7 +85,7 @@ public class DocumentView : Tepl.View
             warning ("Completion: %s", e.message);
         }
 
-        // spell checking
+        // spell-checking
         init_spell_checking ();
 
         // forward search
@@ -148,7 +148,7 @@ public class DocumentView : Tepl.View
         });
     }
 
-    /* Spell checking */
+    /* Spell-checking */
 
     private void init_spell_checking ()
     {
@@ -309,7 +309,7 @@ public class DocumentView : Tepl.View
             DialogFlags.DESTROY_WITH_PARENT,
             MessageType.ERROR,
             ButtonsType.NONE,
-            "%s", _("No dictionaries available for the spell checking."));
+            "%s", _("No dictionaries available for the spell-checking."));
 
         dialog.add_buttons (_("_Help"), ResponseType.HELP,
             _("_OK"), ResponseType.OK,

src/main_window_tools.vala

@@ -29,7 +29,7 @@ public class MainWindowTools
         { "ToolsSpellCheckerDialog", null, N_("_Check Spelling…"), null,
             N_("Check the spelling of the current document"), on_spell_checker_dialog },
         { "ToolsSetSpellLanguage", null, N_("_Set Language…"), null,
-            N_("Set the language used for the spell checking for the current document"),
+            N_("Set the language used for the spell-checking for the current document"),
             on_set_language }
     };
 
@@ -119,7 +119,7 @@ public class MainWindowTools
 
         view.launch_spell_checker_dialog ();
 
-        // If the spell checker is used, save the language since it's probably
+        // If the spell-checker is used, save the language since it's probably
         // correct. If it isn't correct, the language will be changed and the
         // metadata will also be saved.
         view.save_spell_language_metadata ();

src/ui/preferences_dialog.ui

@@ -579,8 +579,8 @@
                   <object class="GtkLabel" id="label3">
                     <property name="visible">True</property>
                     <property name="can_focus">False</property>
-                    <property name="tooltip_text" translatable="yes">The spell checking settings can also be changed on a file-by-file basis via the Tools menu.</property>
-                    <property name="label" translatable="yes">Default Spell Checking Settings</property>
+                    <property name="tooltip_text" translatable="yes">The spell-checking settings can also be changed on a file-by-file basis via the Tools menu.</property>
+                    <property name="label" translatable="yes">Default Spell-Checking Settings</property>
                     <property name="xalign">0</property>
                     <attributes>
                       <attribute name="weight" value="bold"/>