diff --git a/packages/rpc-provider/src/substrate-connect/index.ts b/packages/rpc-provider/src/substrate-connect/index.ts
index 28ef1cb342..c090534a43 100644
--- a/packages/rpc-provider/src/substrate-connect/index.ts
+++ b/packages/rpc-provider/src/substrate-connect/index.ts
@@ -99,7 +99,7 @@ export class ScProvider implements ProviderInterface {
       throw new Error('Already connected!');
     }
 
-    // it could happen that after emitting `disconnected` due to the fact taht
+    // it could happen that after emitting `disconnected` due to the fact that
     // smoldot is syncing, the consumer tries to reconnect after a certain amount
     // of time... In which case we want to make sure that we don't create a new
     // chain.
diff --git a/packages/types-codec/src/base/Option.ts b/packages/types-codec/src/base/Option.ts
index 86d273a4be..326db7292f 100644
--- a/packages/types-codec/src/base/Option.ts
+++ b/packages/types-codec/src/base/Option.ts
@@ -35,7 +35,7 @@ function decodeOption (registry: Registry, Type: CodecClass, value?: unknown): C
     // convert the actual value into known
     return new Type(registry, value.value);
   } else if (isNull(value) || isUndefined(value) || value === '0x' || value instanceof None) {
-    // anyhting empty we pass as-is
+    // anything empty we pass as-is
     return new None(registry);
   } else if (isU8a(value)) {
     // the isU8a check happens last in the if-tree - since the wrapped value
diff --git a/packages/types-codec/src/types/helpers.ts b/packages/types-codec/src/types/helpers.ts
index 8e2973cf2f..f009ea39ac 100644
--- a/packages/types-codec/src/types/helpers.ts
+++ b/packages/types-codec/src/types/helpers.ts
@@ -27,7 +27,7 @@ export type AnyU8a = Uint8Array | number[] | string;
 export type UIntBitLength = 8 | 16 | 32 | 64 | 128 | 256;
 
 // The 520 here is a weird one - it is explicitly for a [u8; 65] as found as a EcdsaSignature,
-// and 264 here is explicity for a [u8; 33] as found as EcdsaPublic key.
+// and 264 here is explicitly for a [u8; 33] as found as EcdsaPublic key.
 // Likewise 160 is for [u8; 20], which is also a H160, i.e. an Ethereum address. Both these are
 // as a result of the Polkadot claims module. (Technically we don't need the 520 in here)
 export type U8aBitLength = 8 | 16 | 32 | 64 | 128 | 160 | 256 | 264 | 512 | 520 | 1024 | 2048;
diff --git a/packages/types-known/README.md b/packages/types-known/README.md
index b60583d8c6..f4784c5a89 100644
--- a/packages/types-known/README.md
+++ b/packages/types-known/README.md
@@ -1,3 +1,3 @@
 # @polkadot/types-known
 
-Specific known base type overrides (e.g. `Address`, etc) for chains & specs. This does not contain user-specfic types.
+Specific known base type overrides (e.g. `Address`, etc) for chains & specs. This does not contain user-specific types.
diff --git a/packages/types/src/generic/LookupSource.spec.ts b/packages/types/src/generic/LookupSource.spec.ts
index f5a214566b..509d69814f 100644
--- a/packages/types/src/generic/LookupSource.spec.ts
+++ b/packages/types/src/generic/LookupSource.spec.ts
@@ -44,7 +44,7 @@ describe('LookupSource', (): void => {
     testDecode(
       'AccountIndex (mixed prefixes)',
       registry.createType('IndicesLookupSource', '118r'),
-      // NOTE Expected adress here is encoded with prefix 42, input above with 1
+      // NOTE Expected address here is encoded with prefix 42, input above with 1
       '25GUyv'
     );
     testDecode(