2 files changed, 3 insertions, 1 deletions

diff --git a/addon/index.mjs b/addon/index.mjs
index d138775..5776a18 100644
--- a/addon/index.mjs
+++ b/addon/index.mjs
@@ -15,6 +15,7 @@ const blockSelectors = {
   'developer.mozilla': '.section-content',
   'hackmd.io': '#doc > *',
   'www.ptt.cc': '#main-content > span',
+  'prosemirror.net': '.ProseMirror > *',
 }
 const blockSelector = blockSelectors[url.host]
 
diff --git a/addon/manifest.json b/addon/manifest.json
index 93b0b65..b95fd4b 100644
--- a/addon/manifest.json
+++ b/addon/manifest.json
@@ -14,7 +14,8 @@
       "matches": [
         "*://developer.mozilla.org/*",
         "*://hackmd.io/*",
-        "*://*.ptt.cc/*"
+        "*://*.ptt.cc/*",
+        "https://prosemirror.net/examples/*"
       ],
       "js": [
         "dumbymap.mjs",