When I'm trying to take notes in the PDF

wedaww

When I'm trying to take notes in a PDF, the entire page gets selected except for the paragraph I want to select.
https://s3.amazonaws.com/zotero.org/images/forums/u12720727/z2gk9nq8jir1ah23th39.png

martynas_b

Either the PDF text layer is messed up or some plugin is interfering.