How to merge them properly?

hello! Iā€™m creating a mask and while I was extruding some parts, I made this mistake and now I have this gap between the two parts. Do you know a way I can use to fix it? To merge them properly?
Thanks in advance!

 1     2
 o     o
 |    /
 |   /
 |  /
 | /
  • Select ā€œ1ā€, after select ā€œ2ā€.
  • W > Merge Vertices > At Last
1 Like

Thank you a lot!