diff --git a/README.md b/README.md
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@@ -1,4 +1,4 @@
-Build123D is an alternate to the [CadQuery](https://cadquery.readthedocs.io/en/latest/index.html)
+build123d is an alternate to the [CadQuery](https://cadquery.readthedocs.io/en/latest/index.html)
 Fluent API. It has several advantages over this API but the largest one is that build123d
 enables the full python toolbox when designing objects - for loops, references to objects,
 list sorting and filtering, etc. - unconstrained by the limitations of method chaining