diff --git a/src/scss/theme/_markdown.scss b/src/scss/theme/_markdown.scss
index 67d268dbb1b..e182c57c87b 100644
--- a/src/scss/theme/_markdown.scss
+++ b/src/scss/theme/_markdown.scss
@@ -140,6 +140,11 @@
       text-align: left;
       padding: 1.2rem;
     }
+
+    code {
+      font-family: var(--font-mm-sans-mono);
+      font-size: 80%;
+    }
   }
 
   details {
diff --git a/wallet/reference/multichain-api.md b/wallet/reference/multichain-api.md
index dea721fa0a1..9e170a0fd75 100644
--- a/wallet/reference/multichain-api.md
+++ b/wallet/reference/multichain-api.md
@@ -383,4 +383,14 @@ according to [CAIP-217](https://github.com/ChainAgnostic/CAIPs/blob/main/CAIPs/c
     }
   }
 }
-```
\ No newline at end of file
+```
+
+## Error codes
+
+The Multichain API can return the following JSON-RPC error codes:
+
+| Code | Description | Related methods |
+| ---- | ----------- | --------------- |
+| 5000 | Unknown error with request | `wallet_revokeSession`, `wallet_createSession` | 
+| 5100 | Requested networks are not supported | `wallet_createSession` |
+| 5302 | Invalid `sessionProperties` requested | `wallet_createSession` |