Fix segment spelling

lib/gitlab/utils/usage_data.rb

@@ -121,7 +121,7 @@ module Gitlab
         count_grouped = relation.group(column).select(Arel.star.count.as('count_grouped'))
         cte = Gitlab::SQL::CTE.new(:count_cte, count_grouped)
 
-        # For example, 9 segements gives 10 buckets
+        # For example, 9 segments gives 10 buckets
         bucket_segments = bucket_size - 1
 
         width_bucket = Arel::Nodes::NamedFunction

spec/support/shared_examples/lib/gitlab/sql/set_operator_shared_examples.rb

@@ -21,7 +21,7 @@ RSpec.shared_examples 'SQL set operator' do |operator_keyword|
       expect(set_operator.to_sql).to eq("(#{to_sql(relation_1)})\n#{operator_keyword}\n(#{to_sql(relation_2)})")
     end
 
-    it 'skips Model.none segements' do
+    it 'skips Model.none segments' do
       empty_relation = User.none
       set_operator = described_class.new([empty_relation, relation_1, relation_2])