diff --git a/book/source/08-signing_components.md b/book/source/08-signing_components.md
index b307791..052c341 100644
--- a/book/source/08-signing_components.md
+++ b/book/source/08-signing_components.md
@@ -286,17 +286,17 @@ To modify the preferred symmetric, compression, hash, or AEAD algorithms for a k
 
 This signature should have the following structure:
 
-| Subpacket                       | Area   | Critical       | Mandatory         | Notes                     |
-|---------------------------------|--------|----------------|-------------------|---------------------------|
-| Signature Creation Time         | Hashed | True           | True              | Should be the current time|
-| Issuer Fingerprint              | Hashed | True or False  | Strongly Recommended | Identifies the primary key as the issuer |
-| Key Flags                       | Hashed | True           | False             | Retain key flags from the previous self-signature |
-| Features                        | Hashed | True           | False             | Retain features from the previous self-signature |
-| Key Expiration Time             | Hashed | True           | False             | If applicable, use expiration time from the previous self-signature |
-| Hash Algorithm Preferences      | Hashed | False          | False             | New preferences           |
-| Compression Algorithm Preferences | Hashed | False        | False             | New preferences           |
-| Symmetric Algorithm Preferences | Hashed | False          | False             | New preferences           |
-| AEAD Algorithm Preferences      | Hashed | False          | False             | New preferences           |
+| Subpacket                       | Area   | Critical       | Mandatory         | Notes                                              |
+|---------------------------------|--------|----------------|-------------------|----------------------------------------------------|
+| Signature Creation Time         | Hashed | True           | True              | Current time                                       |
+| Issuer Fingerprint              | Hashed | True or False  | Strongly Recommended | The primary key is the issuer                     |
+| Key Flags                       | Hashed | True           | False             | Retain key flags from the previous self-signature  |
+| Features                        | Hashed | True           | False             | Retain features from the previous self-signature   |
+| Key Expiration Time             | Hashed | True           | False             | Retain expiration time from the previous self-signature, if applicable |
+| Hash Algorithm Preferences      | Hashed | False          | False             | New preferences                                    |
+| Compression Algorithm Preferences | Hashed | False        | False             | New preferences                                    |
+| Symmetric Algorithm Preferences | Hashed | False          | False             | New preferences                                    |
+| AEAD Algorithm Preferences      | Hashed | False          | False             | New preferences                                    |
 
 #### Change expiration time
 
@@ -315,7 +315,6 @@ To bind a User ID to an OpenPGP certificate, the signature should have the follo
 | Primary User ID         | Hashed | True           | False             | Optional                                        |
 | Signature Expiration Time | Hashed | True         | False             | Optional                                        |
 
-
 In addition to these subpackets, self-certifications for User IDs can include others – such as key flags, features, and algorithm preferences – as shown in the previous table. This enables the specification of unique capabilities and preferences for each identity associated with the certificate.
 
 #### Remove or revoke a User ID