diff --git a/README.md b/README.md
index 7046a27..40f7949 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ Pick one path. Most users want path A.
 Inside Claude Code:
 
 ```
-/plugin marketplace add https://git.kuns.dev/releases/ClaudeMailbox
+/plugin marketplace add https://git.kuns.dev/releases/ClaudeMailbox.git
 /plugin install claude-mailbox@claude-mailbox
 /claude-mailbox:mailbox-doctor
 ```
diff --git a/plugin/README.md b/plugin/README.md
index 86b20fd..d04808f 100644
--- a/plugin/README.md
+++ b/plugin/README.md
@@ -5,7 +5,7 @@ Lets Claude Code pull unread messages from a local `claude-mailbox` daemon befor
 ## Setup (three prompts, all inside Claude Code)
 
 ```
-/plugin marketplace add https://git.kuns.dev/releases/ClaudeMailbox
+/plugin marketplace add https://git.kuns.dev/releases/ClaudeMailbox.git
 /plugin install claude-mailbox@claude-mailbox
 /claude-mailbox:mailbox-doctor
 ```