diff --git a/blockchains.md b/blockchains.md
new file mode 100644
index 000000000..5de9ef8f1
--- /dev/null
+++ b/blockchains.md
@@ -0,0 +1,2 @@
+# Blockchains
+
diff --git a/polkadot.md b/polkadot.md
index 865d24822..5c2924b65 100644
--- a/polkadot.md
+++ b/polkadot.md
@@ -1,7 +1,7 @@
 # Polkadot
 
 - [[go]] https://polkadot.network/technology/
-  - "Polkadot is a [[network protocol]] that allows arbitrary data to be transferred across [[blockchains]]". 
+  - "Polkadot is a [[network protocol]] that allows arbitrary data to be transferred across [[blockchain]]s". 
 
 
 [//begin]: # "Autogenerated link references for markdown compatibility"