Update docs/source/en/modular_diffusers/custom_blocks.md

Co-authored-by: Steven Liu <[email protected]>

Author: DN6

docs/source/en/modular_diffusers/custom_blocks.md

@@ -15,9 +15,8 @@ specific language governing permissions and limitations under the License.
 
 [ModularPipelineBlocks](./pipeline_block) are the fundamental building blocks of a [`ModularPipeline`]. You can create custom blocks by defining their inputs, outputs, and computation logic. This guide demonstrates how to create and use a custom block.
 
-<Tip>
-You can find examples of different types of custom blocks in the [Modular Diffusers Custom Blocks collection](https://huggingface.co/collections/diffusers/modular-diffusers-custom-blocks)
-</Tip>
+> [!TIP]
+> Explore the [Modular Diffusers Custom Blocks](https://huggingface.co/collections/diffusers/modular-diffusers-custom-blocks) collection for official custom modular blocks like Nano Banana.
 
 ## Project Structure