Junction 'Demand Pattern' branch changes to 'Pattern' after editing

Project:WaterSums
Version:1.1.0-Beta5
Component:Code
Category:bug report
Priority:normal
Assigned:admin
Status:closed
Description
When I double-click on the demand pattern branch, select a pattern and press Enter, the branch is updated to include the pattern, but the starting text changes from "Demand Pattern:" to "Pattern:".