To make the global change of the constituent attribute comment, a constituent query will need to be created and included in a constituent global change.

How to globally replace attribute comments:
  1. Create a query of the constituents to include in the global change.
  2. Go to Admin and select Globally Change records.
  3. Highlight Constituent under the Constituent category and click New Change.
  4. Click the Include button and choose Selected Records. Search for and Open the query to be included
  5. Under Constituent Attribute, Select specific constituent attribute 
  6. Select Comments under the specific constituent attribute.
  7. Select Replace as the operator.
  8. Type in the current comment (or the wild card (*) for all comments) in the Replace field and the new comment in the With field and click OK.
    Note: If using the wild card, check the boxes for Match Case and Use Pattern Matching.
  9. Click Change Now.

How to globally delete attribute comments: 
  1. Create a query of the constituents to include in the global change.
  2. Go to Admin and select Globally Change records.
  3. Highlight Constituent under the Constituent category and click New Change.
  4. Click the Include button and choose Selected Records. Search for and Open the query to be included
  5. Under Constituent Attribute, Select specific constituent attribute 
  6. Select Comments under the specific constituent attribute.
  7. Select Delete as the operator.
  8. Type in the current comment (or the wild card (*) for all comments) in the Delete field and click OK.
    Note: If using the wild card, check the boxes for Match Case and Use Pattern Matching.
  9. Click Change Now.