Fix NuGet package badge link in README.md

Author: CaffeinatedCoder

README.md

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   <img width="300" height="300" align="center" alt="efcore-complexindexes-logo" src="https://github.com/user-attachments/assets/9b51234a-90e4-44af-91a3-443d159f6d1d" />
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-| **NuGet** | [![nuget](https://img.shields.io/nuget/v/EFCore.ComplexIndexers.svg)](https://www.nuget.org/packages/EFCore.ComplexIndexers/)
+| **NuGet** | [![nuget](https://img.shields.io/nuget/v/EFCore.ComplexIndexes.svg)](https://www.nuget.org/packages/EFCore.ComplexIndexes/)
 
 ## Index support for complex type properties in EF Core migrations — the missing piece for value object-driven architectures.
 EF Core 8.0 introduced complex properties, but migration tooling doesn't automatically generate indexes for these nested value objects. This NuGet package bridges that gap with a clean, fluent API for defining single-column, composite, unique, and filtered indexes directly on complex type properties.