diff --git a/i18n/api/is.json b/i18n/api/is.json
index 061b6564..b489846d 100644
--- a/i18n/api/is.json
+++ b/i18n/api/is.json
@@ -1,9 +1,10 @@
 {
 	"@metadata": {
 		"authors": [
-			"Sveinn í Felli"
+			"Sveinn í Felli",
+			"Stefán Örvar Sigmundsson"
 		]
 	},
 	"apihelp-categorytree-description": "Innri kerfiseining fyrir CategoryTree-viðbótina.",
-	"apihelp-categorytree-summary": "Innri kerfiseining fyrir CategoryTree-viðbótina."
+	"apihelp-categorytree-summary": "Innri seining fyrir CategoryTree-viðbótina."
 }
diff --git a/i18n/sms.json b/i18n/sms.json
index 19835a51..7c0ac237 100644
--- a/i18n/sms.json
+++ b/i18n/sms.json
@@ -19,8 +19,9 @@
 	"categorytree-num-files": "$1 T",
 	"categorytree-num-empty": "kuâras kategoria",
 	"categorytree-load": "čuäʹjet",
+	"categorytree-nothing-found": "ij käunnʼjam ni mii",
 	"categorytree-no-subcategories": "vueʹllkategoria jie leäkku",
-	"categorytree-no-parent-categories": "ij pâʹjjkategoria",
+	"categorytree-no-parent-categories": "pâʹjjkategoria jie leäkku",
 	"categorytree-no-pages": "seeid leʹbe vueʹllkategoria jie leäkku ni vooʹps",
 	"categorytree-not-found": "Kategoria <i>$1</i> ij käunnʼjam"
 }