2 files changed, 4 insertions, 2 deletions

diff --git a/addon/index.mjs b/addon/index.mjs
index 323edf1..2494ec4 100644
--- a/addon/index.mjs
+++ b/addon/index.mjs
@@ -12,6 +12,7 @@ const simpleRender = window.mapclay.renderWith(config => ({
 }))
 
 window.generateMaps(document.querySelector('main') ?? document.body, {
+  crs: url.searchParams.get('crs') ?? 'EPSG:4326',
   initialLayout: '',
   render: simpleRender,
 })
diff --git a/addon/manifest.json b/addon/manifest.json
index e97ae50..2d7b1ed 100644
--- a/addon/manifest.json
+++ b/addon/manifest.json
@@ -12,7 +12,7 @@
   "content_scripts": [
     {
       "matches": [
-        "*://*.mozilla.org/*",
+        "*://developer.mozilla.org/*",
         "*://hackmd.io/*",
         "*://*.ptt.cc/*"
       ],
@@ -29,6 +29,7 @@
   "permissions": [
     "activeTab",
     "tabs",
-    "scripting"
+    "scripting",
+    "https://epsg.io/*"
   ]
 }