diff --git a/explorer/.github/PULL_REQUEST_TEMPLATE.md b/explorer/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 0000000000..9d05a4dd73
--- /dev/null
+++ b/explorer/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,3 @@
+# This repo is a mirror of https://github.com/solana-labs/solana/tree/master/explorer
+
+Please make changes directly to the main Solana repo: https://github.com/solana-labs/solana
diff --git a/web3.js/.github/PULL_REQUEST_TEMPLATE.md b/web3.js/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 0000000000..43eed7a28f
--- /dev/null
+++ b/web3.js/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,3 @@
+# This repo is a mirror of https://github.com/solana-labs/solana/tree/master/web3.js
+
+Please make changes directly to the main Solana repo: https://github.com/solana-labs/solana