diff --git a/ecosystem/sandbox.mdx b/ecosystem/sandbox.mdx
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+---
+title: "Sandbox"
+---
+
+- sandbox
+    - https://docs.tact-lang.org/book/debug
+    - https://github.com/ton-org/sandbox
diff --git a/standard/wallet.mdx b/standard/wallets.mdx
similarity index 100%
rename from standard/wallet.mdx
rename to standard/wallets.mdx