README.md in errand-0.7.0 vs README.md in errand-0.7.1

@@ -45,13 +45,19 @@
     make install
 
 This should build a library named `rrd.so` in the current directory. If it 
 doesn't, please report bugs at [http://github.com/eric/rubyrrdtool/issues](http://github.com/eric/rubyrrdtool/issues)!
 
-Building gem
-============
+Building the gem
+================
 
-gem build errand.gemspec 
+Errand is managed by Jeweller, which generates the gemspec for you: 
+
+    rake gemspec
+
+Once the gemspec is generated, build the gem: 
+
+    gem build errand.gemspec 
 
 Testing 
 =======
 
 Testing is done with RSpec.