String fix-ups

data/org.gnome.design.IconLibrary.desktop.in.in

@@ -6,7 +6,8 @@ Type=Application
 Exec=icon-library
 Terminal=false
 Categories=Utility;GNOME;GTK;
-Keywords=Icon;Library;Gnome;GTK;
+# Translators: Search terms to find this application. Do NOT translate or localize the semicolons! The list MUST also end with a semicolon!
+Keywords=Icon;Library;GNOME;GTK;
 # Translators: Do NOT translate or transliterate this text (this is an icon file name)!
 Icon=@icon@
 StartupNotify=true

data/org.gnome.design.IconLibrary.gschema.xml.in

@@ -7,7 +7,7 @@
     </key>
     <key name="window-height" type="i">
       <default>-1</default>
-      <summary>Heigh of the last opened window</summary>
+      <summary>Height of the last opened window</summary>
     </key>
     <key name="window-x" type="i">
       <default>-1</default>

data/resources/ui/about_dialog.ui.in

@@ -6,7 +6,7 @@
     <property name="can_focus">False</property>
     <property name="modal">True</property>
     <property name="type_hint">dialog</property>
-    <property name="program_name">@name-prefix@Icon Library</property>
+    <property name="program_name" translatable="yes">@name-prefix@Icon Library</property>
     <property name="version">@version@</property>
     <property name="website">https://gitlab.gnome.org/World/design/icon-library</property>
     <property name="authors">Bilal Elmoussaoui</property>

data/resources/ui/export_dialog.ui

@@ -47,7 +47,7 @@
                     <property name="layout_style">end</property>
                     <child>
                       <object class="GtkButton" id="copy_name_btn">
-                        <property name="label" translatable="yes">Copy Icon  Name</property>
+                        <property name="label" translatable="yes">Copy Icon Name</property>
                         <property name="visible">True</property>
                         <property name="can_focus">True</property>
                         <property name="receives_default">True</property>
@@ -276,7 +276,7 @@
                     </child>
                     <child>
                       <object class="GtkButton" id="save_as_btn">
-                        <property name="label" translatable="yes">Save as...</property>
+                        <property name="label" translatable="yes">Save As…</property>
                         <property name="visible">True</property>
                         <property name="can_focus">True</property>
                         <property name="receives_default">True</property>

data/resources/ui/window.ui.in

@@ -8,7 +8,7 @@
     <property name="default_width">650</property>
     <property name="default_height">500</property>
     <property name="icon_name">@app-id@</property>
-    <property name="title">@name-prefix@ Icon Library</property>
+    <property name="title" translatable="yes">@name-prefix@Icon Library</property>
     <child type="titlebar">
       <object class="HdyHeaderBar" id="headerbar">
         <property name="visible">True</property>

src/widgets/icons.rs

@@ -110,7 +110,7 @@ impl IconsView {
                 .list_icons(Some(context_str))
                 .into_iter()
                 .filter(|icon_name| {
-                    // filter out uneeded icons
+                    // filter out unneeded icons
                     !icons_blacklist.contains(&icon_name.as_str()) && icon_name.ends_with("-symbolic")
                 })
                 .map(|icon_name| Icon {