diff --git a/packages/types/src/primitive/Extrinsic/Extrinsic.ts b/packages/types/src/primitive/Extrinsic/Extrinsic.ts
index 7100848c71..d884b6bcee 100644
--- a/packages/types/src/primitive/Extrinsic/Extrinsic.ts
+++ b/packages/types/src/primitive/Extrinsic/Extrinsic.ts
@@ -60,7 +60,7 @@ export default class Extrinsic extends Base<ExtrinsicVx | ExtrinsicUnknown> impl
     const type = VERSIONS[version & UNMASK_VERSION] || VERSIONS[0];
 
     // we cast here since the VERSION definition is incredibly broad - we don't have a slice for
-    // "only add extrinsic types", and more string definitions become unwieldly
+    // "only add extrinsic types", and more string definitions become unwieldy
     return createType(type, value, { isSigned, version }) as ExtrinsicVx;
   }
 
@@ -118,7 +118,7 @@ export default class Extrinsic extends Base<ExtrinsicVx | ExtrinsicUnknown> impl
   }
 
   /**
-   * @description Thge argument defintions, compatible with [[Call]]
+   * @description The argument definitions, compatible with [[Call]]
    */
   public get argsDef (): ArgsDef {
     return this.method.argsDef;
@@ -139,7 +139,7 @@ export default class Extrinsic extends Base<ExtrinsicVx | ExtrinsicUnknown> impl
   }
 
   /**
-   * @description The era for thios extrinsic
+   * @description The era for this extrinsic
    */
   public get era (): ExtrinsicEra {
     return (this.raw as ExtrinsicVx).signature.era;
diff --git a/packages/types/src/primitive/Extrinsic/ExtrinsicEra.ts b/packages/types/src/primitive/Extrinsic/ExtrinsicEra.ts
index ce274b8c0e..a752bed026 100644
--- a/packages/types/src/primitive/Extrinsic/ExtrinsicEra.ts
+++ b/packages/types/src/primitive/Extrinsic/ExtrinsicEra.ts
@@ -225,7 +225,7 @@ export default class ExtrinsicEra extends Enum implements IExtrinsicEra {
   }
 
   /**
-   * @description Overide the encoded length method
+   * @description Override the encoded length method
    */
   public get encodedLength (): number {
     if (this.index === 0) {
diff --git a/packages/types/src/primitive/Extrinsic/ExtrinsicPayload.ts b/packages/types/src/primitive/Extrinsic/ExtrinsicPayload.ts
index c3c138d724..eadf5f0fe7 100644
--- a/packages/types/src/primitive/Extrinsic/ExtrinsicPayload.ts
+++ b/packages/types/src/primitive/Extrinsic/ExtrinsicPayload.ts
@@ -118,7 +118,7 @@ export default class ExtrinsicPayload extends Base<ExtrinsicPayloadVx> {
     // This is extensible, so we could quite readily extend to send back extra
     // information, such as for instance the payload, i.e. `payload: this.toHex()`
     // For the case here we sign via the extrinsic, we ignore the return, so generally
-    // thisis applicable for external signing
+    // this is applicable for external signing
     return {
       signature: u8aToHex(signature)
     };
diff --git a/packages/types/src/primitive/Extrinsic/v1/ExtrinsicSignature.ts b/packages/types/src/primitive/Extrinsic/v1/ExtrinsicSignature.ts
index 186c4fc173..ed3a68547a 100644
--- a/packages/types/src/primitive/Extrinsic/v1/ExtrinsicSignature.ts
+++ b/packages/types/src/primitive/Extrinsic/v1/ExtrinsicSignature.ts
@@ -75,7 +75,7 @@ export default class ExtrinsicSignatureV1 extends Struct implements IExtrinsicSi
   }
 
   /**
-   * @description The actuall [[Signature]] hash
+   * @description The actual [[Signature]] hash
    */
   public get signature (): Signature {
     return this.get('signature') as Signature;
@@ -116,7 +116,7 @@ export default class ExtrinsicSignatureV1 extends Struct implements IExtrinsicSi
   }
 
   /**
-   * @description Generate a payload and pplies the signature from a keypair
+   * @description Generate a payload and applies the signature from a keypair
    */
   public sign (method: Call, account: IKeyringPair, { blockHash, era, genesisHash, nonce }: SignatureOptions): IExtrinsicSignature {
     const signer = createType('Address', account.publicKey);
@@ -126,7 +126,7 @@ export default class ExtrinsicSignatureV1 extends Struct implements IExtrinsicSi
       genesisHash,
       method: method.toHex(),
       nonce,
-      specVersion: 0, // unsed for v1, added for compat
+      specVersion: 0, // unused for v1, added for compat
       tip: 0
     });
     const signature = createType('Signature', payload.sign(account));
diff --git a/packages/types/src/primitive/Extrinsic/v2/ExtrinsicSignature.ts b/packages/types/src/primitive/Extrinsic/v2/ExtrinsicSignature.ts
index 8f4170b447..12573c0de1 100644
--- a/packages/types/src/primitive/Extrinsic/v2/ExtrinsicSignature.ts
+++ b/packages/types/src/primitive/Extrinsic/v2/ExtrinsicSignature.ts
@@ -71,7 +71,7 @@ export default class ExtrinsicSignatureV2 extends Struct implements IExtrinsicSi
   }
 
   /**
-   * @description The actuall [[Signature]] hash
+   * @description The actual [[Signature]] hash
    */
   public get signature (): Signature {
     return this.get('signature') as Signature;
@@ -113,7 +113,7 @@ export default class ExtrinsicSignatureV2 extends Struct implements IExtrinsicSi
   }
 
   /**
-   * @description Generate a payload and pplies the signature from a keypair
+   * @description Generate a payload and applies the signature from a keypair
    */
   public sign (method: Call, account: IKeyringPair, { blockHash, era, genesisHash, nonce, tip }: SignatureOptions): IExtrinsicSignature {
     const signer = createType('Address', account.publicKey);