diff --git a/ext/oci8/README b/ext/oci8/README
index d662072743f..42833e27c05 100644
--- a/ext/oci8/README
+++ b/ext/oci8/README
@@ -5,16 +5,22 @@ Use the OCI8 extension to access Oracle Database.
 
 Documentation is at http://php.net/oci8
 
-The extension can be linked with Oracle client libraries from Oracle
-Database 10.2, 11, or 12.1.  These libraries are found in the database
-installation, or in the free Oracle Instant Client available from
-Oracle.
+PHP OCI8 2.1 builds with PHP 7.
+
+Use 'pecl install oci8' to install OCI8 for PHP 7.
+
+Use 'pecl install oci8-2.0.10' to install OCI8 for PHP 5.2 - PHP 5.6.
+
+Use 'pecl install oci8-1.4.10' to install OCI8 for PHP 4.3.9 - PHP 5.1.
+
+The OCI8 extension needs to be linked with Oracle 12.1, 11, or 10.2
+client libraries.  These libraries are found in your database
+installation, or in the free Oracle Instant Client from
+http://www.oracle.com/technetwork/database/features/instant-client/
+Install the 'Basic' or 'Basic Lite' Instant Client package.  If
+building from source, then also install the SDK package.
 
 Oracle's standard cross-version connectivity applies.  For example,
 PHP OCI8 linked with Instant Client 11.2 can connect to Oracle
 Database 9.2 onward.  See Oracle's note "Oracle Client / Server
 Interoperability Support" (ID 207303.1) for details.
-
-PHP OCI8 2.0 can be built with PHP 5.2 onward.  Use the older PHP OCI8
-1.4.10 when using PHP 4.3.9 through to PHP 5.1.x, or when only Oracle
-Database 9.2 client libraries are available.