fixed RST indentation error in 3.0.0 upgrade instructions code sample
diff --git a/user_guide_src/source/installation/upgrade_300.rst b/user_guide_src/source/installation/upgrade_300.rst
index f3a6373..64a2370 100644
--- a/user_guide_src/source/installation/upgrade_300.rst
+++ b/user_guide_src/source/installation/upgrade_300.rst
@@ -147,6 +147,7 @@
 emails. To override this behaviour, pass FALSE as the first parameter in the ``send()`` function:
 
 ::
+
 	if ($this->email->send(FALSE))
  	{
  		// Parameters won't be cleared