diff --git a/packages/types-known/src/chain/index.ts b/packages/types-known/src/chain/index.ts
index 408790c98c..d49039e74f 100644
--- a/packages/types-known/src/chain/index.ts
+++ b/packages/types-known/src/chain/index.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 @polkadot/types authors & contributors
+// Copyright 2017-2020 @polkadot/types-known authors & contributors
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
diff --git a/packages/types-known/src/index.spec.ts b/packages/types-known/src/index.spec.ts
index a0e1d38460..c056dc49f6 100644
--- a/packages/types-known/src/index.spec.ts
+++ b/packages/types-known/src/index.spec.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 @polkadot/types authors & contributors
+// Copyright 2017-2020 @polkadot/types-known authors & contributors
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
diff --git a/packages/types-known/src/index.ts b/packages/types-known/src/index.ts
index d244be35ee..79ff0e4830 100644
--- a/packages/types-known/src/index.ts
+++ b/packages/types-known/src/index.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 @polkadot/types authors & contributors
+// Copyright 2017-2020 @polkadot/types-known authors & contributors
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
@@ -12,6 +12,7 @@ import typesChain from './chain';
 import typesMeta from './metadata';
 import typesModules from './modules';
 import typesSpec from './spec';
+import warnings from './warnings';
 
 // flatten a VersionedType[] into a Record<string, string>
 /** @internal */
@@ -52,6 +53,8 @@ export function getSpecTypes ({ knownTypes }: Registry, chainName: Text | string
   const _specName = specName.toString();
   const _specVersion = bnToBn(specVersion).toNumber();
 
+  (warnings[_specName] || []).forEach((warning) => console.warn(`*** ${warning}`));
+
   return {
     ...filterVersions(typesSpec[_specName], _specVersion),
     ...filterVersions(typesChain[_chainName], _specVersion),
diff --git a/packages/types-known/src/metadata.ts b/packages/types-known/src/metadata.ts
index 249f43bb72..5542619529 100644
--- a/packages/types-known/src/metadata.ts
+++ b/packages/types-known/src/metadata.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 @polkadot/types authors & contributors
+// Copyright 2017-2020 @polkadot/types-known authors & contributors
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
diff --git a/packages/types-known/src/modules.ts b/packages/types-known/src/modules.ts
index 2e022d64fc..29448f98ec 100644
--- a/packages/types-known/src/modules.ts
+++ b/packages/types-known/src/modules.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 @polkadot/types authors & contributors
+// Copyright 2017-2020 @polkadot/types-known authors & contributors
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
diff --git a/packages/types-known/src/spec/centrifuge-chain.ts b/packages/types-known/src/spec/centrifuge-chain.ts
index 85b8021cde..de64be7211 100644
--- a/packages/types-known/src/spec/centrifuge-chain.ts
+++ b/packages/types-known/src/spec/centrifuge-chain.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 @polkadot/types authors & contributors
+// Copyright 2017-2020 @polkadot/types-known authors & contributors
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
diff --git a/packages/types-known/src/spec/index.ts b/packages/types-known/src/spec/index.ts
index 43f841de82..d258b31a8d 100644
--- a/packages/types-known/src/spec/index.ts
+++ b/packages/types-known/src/spec/index.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 @polkadot/types authors & contributors
+// Copyright 2017-2020 @polkadot/types-known authors & contributors
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
diff --git a/packages/types-known/src/spec/kusama.ts b/packages/types-known/src/spec/kusama.ts
index e602ce34fc..976d48e273 100644
--- a/packages/types-known/src/spec/kusama.ts
+++ b/packages/types-known/src/spec/kusama.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 @polkadot/types authors & contributors
+// Copyright 2017-2020 @polkadot/types-known authors & contributors
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
diff --git a/packages/types-known/src/spec/polkadot.ts b/packages/types-known/src/spec/polkadot.ts
index 636ce01128..59260ba537 100644
--- a/packages/types-known/src/spec/polkadot.ts
+++ b/packages/types-known/src/spec/polkadot.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 @polkadot/types authors & contributors
+// Copyright 2017-2020 @polkadot/types-known authors & contributors
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
diff --git a/packages/types-known/src/spec/westend.ts b/packages/types-known/src/spec/westend.ts
index 23415197d6..3e47f51a6c 100644
--- a/packages/types-known/src/spec/westend.ts
+++ b/packages/types-known/src/spec/westend.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 @polkadot/types authors & contributors
+// Copyright 2017-2020 @polkadot/types-known authors & contributors
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
diff --git a/packages/types-known/src/warnings.ts b/packages/types-known/src/warnings.ts
new file mode 100644
index 0000000000..435bd9faad
--- /dev/null
+++ b/packages/types-known/src/warnings.ts
@@ -0,0 +1,18 @@
+// Copyright 2017-2020 @polkadot/types-known authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+// Type overrides for specific spec types & versions as given in runtimeVersion
+const warnings: Record<string, string[]> = {
+  'node-template': [
+    '',
+    'You are using the node-template, depending on your config and age of the template, you may',
+    'have some unexpected results without applying the correct config for your node type:',
+    '',
+    '- If you have trouble sending txs, apply https://polkadot.js.org/api/start/FAQ.html#i-cannot-send-transactions-from-my-node-template-based-chain',
+    '- If you have trouble parsing events, apply https://polkadot.js.org/api/start/FAQ.html#using-a-non-current-master-node-i-have-issues-parsing-events',
+    ''
+  ]
+};
+
+export default warnings;