Note: This tutorial is for websites which use the Taxonomy Manager
How to merge terms in the taxonomy-manager
Step 1: Search for the terms you want to merge
Select the vocabulary list and type the name of the term.
Note: Terms may have similar names so use the tid numbers for reference.
Step 2: Select term to be merged
Select "Merge term" as operation and check the term you want to merge.
Then click execute.
Step 3: Merge into
Select the term that you would like to merge into.
Note: Use tid number as a reference.
Once the terms are merged, the tid numbers will change.