diff --git a/CategoryTree.alias.php b/CategoryTree.alias.php
index 297c7471..c0dc7d18 100644
--- a/CategoryTree.alias.php
+++ b/CategoryTree.alias.php
@@ -177,6 +177,11 @@ $specialPageAliases['frp'] = array(
 	'CategoryTree' => array( 'Structura_d\'âbro_de_les_catègories', 'StructuraDÂbroDeLesCatègories' ),
 );
 
+/** Western Frisian (Frysk) */
+$specialPageAliases['fy'] = array(
+	'CategoryTree' => array( 'Kategorybeam' ),
+);
+
 /** Galician (galego) */
 $specialPageAliases['gl'] = array(
 	'CategoryTree' => array( 'Árbore_de_categorías' ),
diff --git a/CategoryTree.i18n.magic.php b/CategoryTree.i18n.magic.php
index bf11ae19..a4a3e856 100644
--- a/CategoryTree.i18n.magic.php
+++ b/CategoryTree.i18n.magic.php
@@ -76,6 +76,11 @@ $magicWords['fr'] = array(
 	'categorytree' => array( 0, 'arbrecatégories', 'arbrecats' ),
 );
 
+/** Western Frisian (Frysk) */
+$magicWords['fy'] = array(
+	'categorytree' => array( 0, 'kategorybeam' ),
+);
+
 /** Galician (galego) */
 $magicWords['gl'] = array(
 	'categorytree' => array( 0, 'árboredecategorías' ),
diff --git a/i18n/ja.json b/i18n/ja.json
index 1da23807..5bf0cb30 100644
--- a/i18n/ja.json
+++ b/i18n/ja.json
@@ -26,7 +26,7 @@
 	"categorytree-collapse": "折り畳む",
 	"categorytree-expand": "展開する",
 	"categorytree-empty-bullet": "►",
-	"categorytree-member-counts": "{{PLURAL:$1|下位カテゴリ $1 件}}、{{PLURAL:$2|ページ　$2 件}}、{{PLURAL:$3|ファイル $3 件}}を含んでいます",
+	"categorytree-member-counts": "{{PLURAL:$1|下位カテゴリ $1 件}}、{{PLURAL:$2|ページ $2 件}}、{{PLURAL:$3|ファイル $3 件}}を含んでいます",
 	"categorytree-num-categories": "$1C",
 	"categorytree-num-pages": "$1頁",
 	"categorytree-num-files": "$1F",