diff --git a/modules/core/src/main/scala/gs/datagen/v0/gen.scala b/modules/core/src/main/scala/gs/datagen/v0/gen.scala
index 1998b02..7729427 100644
--- a/modules/core/src/main/scala/gs/datagen/v0/gen.scala
+++ b/modules/core/src/main/scala/gs/datagen/v0/gen.scala
@@ -299,12 +299,12 @@ object Gen:
       *   The generator for values.
       */
     def forKeysAndValues[K, V](
-      size: Range,
+      range: Range,
       keyGen: Gen[K],
       valueGen: Gen[V]
     ): Gen[Map[K, V]] =
       new GenMap.IndependentKeyValue[K, V](
-        size = size,
+        range = range,
         keyGen = keyGen,
         valueGen = valueGen
       )
@@ -318,11 +318,11 @@ object Gen:
       *   The generator for key/value pairs.
       */
     def forTuples[K, V](
-      size: Range,
+      range: Range,
       keyValueGen: Gen[(K, V)]
     ): Gen[Map[K, V]] =
       new GenMap.CoupledKeyValue[K, V](
-        size = size,
+        range = range,
         keyValueGen = keyValueGen
       )