spelling: differently

Signed-off-by: Josh Soref <2119212+jsoref@users.noreply.github.com>

test/test_compare.rb

@@ -15,7 +15,7 @@ context "Precious::Views::Compare" do
   end
   
   test 'rename diff' do
-    # JGit returns differenly formatted diffs for rename commits. Support both kinds of diff.
+    # JGit returns differently formatted diffs for rename commits. Support both kinds of diff.
     jgit_diff = "diff --git a/Foo.md b/Bar.md\nsimilarity index 100%\nrename from Foo.md\nrename to Bar.md"
     rugged_diff = "diff --git a/Bar.md b/Bar.md\nnew file mode 100644\nindex 0000000..e69de29\n--- /dev/null\n+++ b/Bar.md\n"