diff --git a/docs/api/runtime-calls.md b/docs/api/runtime-calls.md
index 3c96e8358dfda38ca1dc6434860180de1e675926..971f556b4839c3846883a962956ef96d782531c2 100644
--- a/docs/api/runtime-calls.md
+++ b/docs/api/runtime-calls.md
@@ -359,7 +359,7 @@ receiver: T::IdtyIndex
 </details>
 
 
-
+Invite a WoT member to try becoming a Smith
 
 #### accept_invitation - 1
 
@@ -372,7 +372,7 @@ Taking 0.0085 % of a block.
 </details>
 
 
-
+Accept an invitation (must have been invited first)
 
 #### certify_smith - 2
 
@@ -386,7 +386,7 @@ receiver: T::IdtyIndex
 </details>
 
 
-
+Certify an invited smith which can lead the certified to become a Smith
 
 ### AuthorityMembers - 11
 
diff --git a/docs/api/runtime-events.md b/docs/api/runtime-events.md
index 566e7383905fab4996865f7a71390aefa0b0c6cb..850b1f037f8707877710db6e3819ff3ecdbc7033 100644
--- a/docs/api/runtime-events.md
+++ b/docs/api/runtime-events.md
@@ -1,6 +1,6 @@
 # Runtime events
 
-There are **128** events from **35** pallets.
+There are **129** events from **35** pallets.
 
 <ul>
 <li>System - 0
@@ -674,12 +674,25 @@ idty_index: T::IdtyIndex
 <li>
 <details>
 <summary>
-<code>CertificationReceived(idty_index, issued_by)</code> - 2</summary>
+<code>SmithCertAdded(receiver, issuer)</code> - 2</summary>
 Certification received
 
 ```rust
-idty_index: T::IdtyIndex
-issued_by: T::IdtyIndex
+receiver: T::IdtyIndex
+issuer: T::IdtyIndex
+```
+
+</details>
+</li>
+<li>
+<details>
+<summary>
+<code>SmithCertRemoved(receiver, issuer)</code> - 3</summary>
+Certification lost
+
+```rust
+receiver: T::IdtyIndex
+issuer: T::IdtyIndex
 ```
 
 </details>
@@ -687,7 +700,7 @@ issued_by: T::IdtyIndex
 <li>
 <details>
 <summary>
-<code>PromotedToSmith(idty_index)</code> - 3</summary>
+<code>SmithMembershipAdded(idty_index)</code> - 4</summary>
 A smith gathered enough certifications to become an authority (can call `go_online()`).
 
 ```rust
@@ -699,7 +712,7 @@ idty_index: T::IdtyIndex
 <li>
 <details>
 <summary>
-<code>SmithExcluded(idty_index)</code> - 4</summary>
+<code>SmithMembershipRemoved(idty_index)</code> - 5</summary>
 A smith has been removed from the smiths set.
 
 ```rust
diff --git a/resources/metadata.scale b/resources/metadata.scale
index 1db6c720cb1e51c1688823161d0edf73e9b837e6..78cad8eac5ff6bb55722910cf3791abfef75040a 100644
Binary files a/resources/metadata.scale and b/resources/metadata.scale differ