Merge pull request #4345 from murrion/develop

[ci skip] Corrected step 21 number in 3.0.0 upgrade instructions
diff --git a/user_guide_src/source/installation/upgrade_300.rst b/user_guide_src/source/installation/upgrade_300.rst
index a29f400..45ce213 100644
--- a/user_guide_src/source/installation/upgrade_300.rst
+++ b/user_guide_src/source/installation/upgrade_300.rst
@@ -855,7 +855,7 @@
 	sooner rather than later.
 
 ***********************************************************
-Step 20: Check your usage of Text helper highlight_phrase()
+Step 21: Check your usage of Text helper highlight_phrase()
 ***********************************************************
 
 The default HTML tag used by :doc:`Text Helper <../helpers/text_helper>` function