1 files changed, 2 insertions, 2 deletions
diff --git a/Library/Homebrew/test/pathname_spec.rb b/Library/Homebrew/test/pathname_spec.rb
index da12d4347..6e7dc34aa 100644
--- a/Library/Homebrew/test/pathname_spec.rb
+++ b/Library/Homebrew/test/pathname_spec.rb
@@ -30,13 +30,13 @@ describe Pathname do
     describe "#abv" do
       context "when called on a directory" do
         it "returns a string with the file count and disk usage" do
-          expect(dir.abv).to eq("3 files, 1M")
+          expect(dir.abv).to eq("3 files, 1MB")
         end
       end
 
       context "when called on a file" do
         it "returns the disk usage" do
-          expect((dir/"a-file").abv).to eq("1M")
+          expect((dir/"a-file").abv).to eq("1MB")
         end
       end
     end