Text Jitters in Detail Panel When Creating a Comment in the Material Editor

Text "jitters" in the detail panel of the material editor when creating a comment box as shown in the following link:

[Link Removed]

Create new third person project in UE 4.5.1]
Open a material
Create a comment box
In the Details panel, type a long comment
Resize the details panel left to right
The comment becomes unstable and "jittery" as shown in the linked video in the description.