diff --git a/docs/api/srfi/106.md b/docs/api/srfi/106.md
index 43f489cd..17dc3525 100644
--- a/docs/api/srfi/106.md
+++ b/docs/api/srfi/106.md
@@ -97,8 +97,9 @@ The created socket may not be closed automatically so it is users' responsibilit
 
 # socket?
 
-socket? object -> boolean
-Returns #t if given object is socket object. Otherwise #f.
+    (socket? object) -> boolean
+
+Returns `#t` if given `object` is socket object. Otherwise `#f`.
 
 # socket-accept
 
@@ -112,6 +113,7 @@ Wait for an incoming connection request, and returns a fresh connected client so
 
 Sends a binary data block to a socket and returns the sent data size.
 `flags` may specify the procedure's behaviour.
+
 If the `flags` is omitted, the default value must be the result of following form:
 
     (message-type none)
@@ -122,7 +124,8 @@ If the `flags` is omitted, the default value must be the result of following for
 
 Receives a binary data block from a socket. If zero length bytevector is returned, it means the peer connection is closed.
 `flags` may specify the procedure's behaviour.
-If the `flags` is omitted, the default value must be the result of following form;
+
+If the `flags` is omitted, the default value must be the result of following form:
 
     (message-type none)