Statement::descAsync takes callback arg

diff --git a/pq/Statement/descAsync.md b/pq/Statement/descAsync.md
index 31cf15bbf0cc385369bfad38c85ab73bcbedcf77..cbcf60569215172edaab55c309b21e5cb1943b0b 100644 (file)
--- a/pq/Statement/descAsync.md
+++ b/pq/Statement/descAsync.md
@@ -1,14 +1,11 @@
-# array pq\Statement::descAsync()
+# void pq\Statement::descAsync(callable $callback)
 
 [Asynchronously](pq/Connection/: Asynchronous Usage) describe the parameters of the prepared statement.
 
 ## Params:
 
-None.
-
-## Returns:
-
-* array, list of type OIDs of the substitution parameters.
+* callable $callback as function(array $oids)  
+  A callback to receive list of type OIDs of the substitution parameters.
 
 ## Throws: