Update README.md

Author: Microos

README.md

@@ -6,7 +6,7 @@
 - [ ]  shift choose on ellipse -> hightlight right table row
 - [ ]  click on right table row(if static) -> enlarge stroke
 - [ ]  click on right table row(if non-static) -> set as activated ellipse
-- [ ]  load imglist -> disable laod img button
+- [ ]  load imglist -> disable load img button
 - [ ]  one click after load -> disable load annotation button
 - [ ]  load annotation -> disable load annotatino button
 - [ ]  output file function