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1 files changed, 8 insertions, 1 deletions

diff --git a/spec/other/major_deprecation_spec.rb b/spec/other/major_deprecation_spec.rb
index 6456e7838e..cd8b721609 100644
--- a/spec/other/major_deprecation_spec.rb
+++ b/spec/other/major_deprecation_spec.rb
@@ -358,7 +358,14 @@ RSpec.describe "major deprecations" do
     end
 
     it "shows a deprecation", :bundler => "2" do
-      expect(deprecations).to include(a_string_containing("Your Gemfile contains multiple primary sources."))
+      expect(deprecations).to include(
+        "Your Gemfile contains multiple primary sources. " \
+        "Using `source` more than once without a block is a security risk, and " \
+        "may result in installing unexpected gems. To resolve this warning, use " \
+        "a block to indicate which gems should come from the secondary source. " \
+        "To upgrade this warning to an error, run `bundle config set " \
+        "disable_multisource true`."
+      )
     end
   end