fix rubocop formatting issues

Author: kaymmm

spec/alphabetic_bullets_spec.rb

@@ -150,11 +150,11 @@
     #   test_bullet_inserted('not a bullet', <<-INIT, <<-EXPECTED)
     #     # Hello there
     #     a. first bullet might not catch
-    #     	me. second line.
+    #     \tme. second line.
     #   INIT
     #     # Hello there
     #     a. first bullet might not catch
-    #     	me. second line.
+    #     \tme. second line.
     #     not a bullet
     #   EXPECTED
     # end

spec/nested_bullets_spec.rb

@@ -462,7 +462,7 @@
       TEXT
     end
 
-    it 'nested outlines handle standard bullets when they are not in outline list' do
+    it 'handle standard bullets when they are not in outline list' do
       filename = "#{SecureRandom.hex(6)}.txt"
       write_file(filename, <<-TEXT)
           # Hello there
@@ -600,7 +600,7 @@
       TEXT
     end
 
-    it 'adds and changes bullets with multiple line spacing and wrapped lines' do
+    it 'add and change bullets with multiple line spacing and wrapped lines' do
       filename = "#{SecureRandom.hex(6)}.txt"
       write_file(filename, <<-TEXT)
           # Hello there