Update README.md

README.md

@@ -112,7 +112,7 @@ The table below summarizes all included sources:
 | 0038_amos | AMOS (Multi-Modality Abdominal Multi-Organ Segmentation Challenge) | CC BY 4.0 | 200 | [readme](./0038_amos/README_0038_amos.md) |
 | 0039_han_seg | HaN-Seg: The head and neck organ-at-risk CT & MR segmentation dataset | CC BY-NC-ND 4.0 | 42 | [readme](./0039_han_seg/README_0039_han_seg.md) |
 | 0040_saros | SAROS: A dataset for whole-body region and organ segmentation in CT imaging | Mix of CC BY 3.0, CC BY 4.0, and CC BY-NC 3.0 | 900 | [readme](./0040_saros/README_0040_saros.md) |
-| 0041_CTRATE | CT-RATE | CC BY-NC-SA 4.0 | 3134 | [readme](./0041_CTRATE/README_0041_CTRATE.md) |
+| 0041_ctrate | CT-RATE | CC BY-NC-SA 4.0 | 3134 | [readme](./0041_ctrate/README_0041_ctrate.md) |
 | 0042_new_brainct_1mm | (Newly Released) BrainCT-1mm | CC BY 4.0 | 484 | [readme](./0042_new_brainct_1mm/README_0042_new_brainct_1mm.md) |
 | 0043_new_ct_tri | (Newly Released) CT-TRI (Triphasic Contrast-Enhanced Abdominal CTs) | CC BY-NC-SA 4.0 | 586 | [readme](./0043_new_ct_tri/README_0043_new_ct_tri.md) |