diff --git a/qr 2/description.md b/qr-2/description.md
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rename from qr 2/description.md
rename to qr-2/description.md
diff --git a/qr 2/grader.py b/qr-2/grader.py
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rename from qr 2/grader.py
rename to qr-2/grader.py
diff --git a/qr 2/problem.yml b/qr-2/problem.yml
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rename from qr 2/problem.yml
rename to qr-2/problem.yml
diff --git a/qr 2/qr.bmp b/qr-2/qr.bmp
similarity index 100%
rename from qr 2/qr.bmp
rename to qr-2/qr.bmp