Remove obsolete macOS error help text referencing ~/lib

Author: cjbj

lib/util.js

@@ -100,8 +100,9 @@ function getInstallHelp() {
       url = 'http://www.oracle.com/technetwork/database/database-technologies/instant-client/overview/index.html\n';
       arch = process.arch;
     }
-    mesg += 'You must have the ' + arch + ' Oracle Instant Client Basic or Basic Light package in ~/lib or /usr/local/lib\n';
-    mesg += 'They can be downloaded from ' + url;
+    mesg += 'You must have the ' + arch + ' Oracle Instant Client Basic or Basic Light package libraries in\n';
+    mesg += '/usr/local/lib or set by calling oracledb.initOracleClient({libDir: "/my/instant_client_directory"}).\n';
+    mesg += 'Oracle Instant Client can be downloaded from ' + url;
   } else if (process.platform === 'win32') {
     if (process.arch === 'x64') {
       url = 'http://www.oracle.com/technetwork/topics/winx64soft-089540.html\n';