diff --git a/README.md b/README.md
index 13027c2..0269da5 100644
--- a/README.md
+++ b/README.md
@@ -229,7 +229,7 @@ Will set the proxy port option for the lifetime of the database connection. You
 
 If you have PostgreSQL devel packages and CURL devel packages installed (>= 0.7.20), you should have `pg_config` and `curl-config` on your path, so you should be able to just run `make`, then `make install`, then in your database `CREATE EXTENSION http`.
 
-If you already installed version 1.0 and you just want to upgrade, then `ALTER EXTENSION http UPDATE TO '1.1'`.
+If you already installed a previous version and you just want to upgrade, then `ALTER EXTENSION http UPDATE`.
 
 ### Windows
 
diff --git a/http--1.1--1.2.sql b/http--1.1--1.2.sql
index 6c8b1fd..4764e52 100644
--- a/http--1.1--1.2.sql
+++ b/http--1.1--1.2.sql
@@ -12,3 +12,13 @@ CREATE OR REPLACE FUNCTION http_head(uri VARCHAR)
     RETURNS http_response
     AS $$ SELECT http(('HEAD', $1, NULL, NULL, NULL)::http_request) $$
     LANGUAGE 'sql';
+
+CREATE OR REPLACE FUNCTION http_set_curlopt (curlopt VARCHAR, value VARCHAR) 
+    RETURNS boolean
+    AS 'MODULE_PATHNAME', 'http_set_curlopt'
+    LANGUAGE 'c';
+
+CREATE OR REPLACE FUNCTION http_reset_curlopt () 
+    RETURNS boolean
+    AS 'MODULE_PATHNAME', 'http_reset_curlopt'
+    LANGUAGE 'c';