Apply suggestions from code review

Co-authored-by: Elliott Sales de Andrade <quantum.analyst@gmail.com>

Author: QuLogic

galleries/examples/text_labels_and_annotations/gallery_order.txt

@@ -11,7 +11,7 @@ text_rotation_relative_to_line
 rainbow_text
 demo_text_path
 
-# annoations
+# annotations
 annotation_basic
 annotation_demo
 annotation_polar