Fix typos

lib/bundler/cli.rb

@@ -788,7 +788,7 @@ module Bundler
 
       Bundler::SharedHelpers.major_deprecation 2,\
         "The `#{flag_name}` flag is deprecated because it relies on being " \
-        "remembered accross bundler invokations, which bundler will no longer " \
+        "remembered across bundler invokations, which bundler will no longer " \
         "do in future versions. Instead please use `bundle config #{name} " \
         "'#{value}'`, and stop using this flag"
     end

spec/bundler/other/major_deprecation_spec.rb

@@ -288,7 +288,7 @@ RSpec.describe "major deprecations" do
         it "should print a deprecation warning", :bundler => "2" do
           expect(deprecations).to include(
             "The `#{flag_name}` flag is deprecated because it relies on " \
-            "being remembered accross bundler invokations, which bundler " \
+            "being remembered across bundler invokations, which bundler " \
             "will no longer do in future versions. Instead please use " \
             "`bundle config #{name} '#{value}'`, and stop using this flag"
           )