diff --git a/packages/rpc-augment/README.md b/packages/rpc-augment/README.md
index c45d91fe41..a37264d10e 100644
--- a/packages/rpc-augment/README.md
+++ b/packages/rpc-augment/README.md
@@ -1,3 +1,3 @@
-# @polkadot/api-augment
+# @polkadot/rpc-augment
 
 Generated augmentation.
diff --git a/packages/types-augment/README.md b/packages/types-augment/README.md
index c45d91fe41..be5b83d28c 100644
--- a/packages/types-augment/README.md
+++ b/packages/types-augment/README.md
@@ -1,3 +1,3 @@
-# @polkadot/api-augment
+# @polkadot/types-augment
 
 Generated augmentation.
diff --git a/packages/types-codec/README.md b/packages/types-codec/README.md
new file mode 100644
index 0000000000..2316c0dc39
--- /dev/null
+++ b/packages/types-codec/README.md
@@ -0,0 +1,3 @@
+# @polkadot/types-codec
+
+Base scale-codec types.
diff --git a/packages/types-create/README.md b/packages/types-create/README.md
new file mode 100644
index 0000000000..ea8b03c54d
--- /dev/null
+++ b/packages/types-create/README.md
@@ -0,0 +1,3 @@
+# @polkadot/types-create
+
+Base type-creation functionality.
diff --git a/packages/types-support/README.md b/packages/types-support/README.md
index b60583d8c6..ec25b99e4d 100644
--- a/packages/types-support/README.md
+++ b/packages/types-support/README.md
@@ -1,3 +1,3 @@
-# @polkadot/types-known
+# @polkadot/types-support
 
-Specific known base type overrides (e.g. `Address`, etc) for chains & specs. This does not contain user-specfic types.
+Supporting files for type operations, generally used in test environments.