diff --git a/kmath-core/src/commonMain/kotlin/space/kscience/kmath/expressions/DSAlgebra.kt b/kmath-core/src/commonMain/kotlin/space/kscience/kmath/expressions/DSAlgebra.kt
index 506fbd001..59e6f4f6f 100644
--- a/kmath-core/src/commonMain/kotlin/space/kscience/kmath/expressions/DSAlgebra.kt
+++ b/kmath-core/src/commonMain/kotlin/space/kscience/kmath/expressions/DSAlgebra.kt
@@ -439,7 +439,7 @@ public class DSField<T, A : ExtendedField<T>>(
 }
 
 @UnstableKMathAPI
-public class DerivativeStructureFieldExpression<T, A : ExtendedField<T>>(
+public class DSFieldExpression<T, A : ExtendedField<T>>(
     public val algebra: A,
     public val bufferFactory: MutableBufferFactory<T>,
     public val function: DSField<T, A>.() -> DS<T, A>,
diff --git a/kmath-core/src/commonTest/kotlin/space/kscience/kmath/expressions/DerivativeStructureExpressionTest.kt b/kmath-core/src/commonTest/kotlin/space/kscience/kmath/expressions/DerivativeStructureExpressionTest.kt
index fdeda4512..e5bc9805a 100644
--- a/kmath-core/src/commonTest/kotlin/space/kscience/kmath/expressions/DerivativeStructureExpressionTest.kt
+++ b/kmath-core/src/commonTest/kotlin/space/kscience/kmath/expressions/DerivativeStructureExpressionTest.kt
@@ -30,7 +30,7 @@ internal class AutoDiffTest {
     private val y by symbol
 
     @Test
-    fun derivativeStructureFieldTest() {
+    fun dsAlgebraTest() {
         diff(2, x to 1.0, y to 1.0) {
             val x = bindSymbol(x)//by binding()
             val y = bindSymbol("y")
@@ -44,8 +44,8 @@ internal class AutoDiffTest {
     }
 
     @Test
-    fun autoDifTest() {
-        val f = DerivativeStructureFieldExpression(DoubleField, ::DoubleBuffer) {
+    fun dsExpressionTest() {
+        val f = DSFieldExpression(DoubleField, ::DoubleBuffer) {
             val x by binding
             val y by binding
             x.pow(2) + 2 * x * y + y.pow(2) + 1