diff --git a/README.md b/README.md
index 5678fc530..0df279889 100644
--- a/README.md
+++ b/README.md
@@ -40,6 +40,8 @@ can be used for a wide variety of purposes from high performance calculations to
 
 * **Streaming** Streaming operations on mathematical objects and objects buffers.
 
+* **Type-safe dimensions** Type-safe dimensions for matrix operations.
+
 * **Commons-math wrapper** It is planned to gradually wrap most parts of [Apache commons-math](http://commons.apache.org/proper/commons-math/)
                            library in Kotlin code and maybe rewrite some parts to better suit the Kotlin programming paradigm, however there is no fixed roadmap for that. Feel free
                            to submit a feature request if you want something to be done first.
diff --git a/examples/src/main/kotlin/scientifik/kmath/structures/typeSafeDimensions.kt b/examples/src/main/kotlin/scientifik/kmath/structures/typeSafeDimensions.kt
index 8693308ca..9169c7d7b 100644
--- a/examples/src/main/kotlin/scientifik/kmath/structures/typeSafeDimensions.kt
+++ b/examples/src/main/kotlin/scientifik/kmath/structures/typeSafeDimensions.kt
@@ -14,14 +14,14 @@ fun DMatrixContext<Double, RealField>.simple() {
     m1.transpose() + m2
 }
 
-object D5: Dimension{
+object D5 : Dimension {
     override val dim: UInt = 5u
 }
 
 fun DMatrixContext<Double, RealField>.custom() {
-    val m1 = produce<D2, D5> { i, j -> (i+j).toDouble() }
-    val m2 = produce<D5,D2> { i, j -> (i-j).toDouble() }
-    val m3 = produce<D2,D2> { i, j -> (i-j).toDouble() }
+    val m1 = produce<D2, D5> { i, j -> (i + j).toDouble() }
+    val m2 = produce<D5, D2> { i, j -> (i - j).toDouble() }
+    val m3 = produce<D2, D2> { i, j -> (i - j).toDouble() }
 
     (m1 dot m2) + m3
 }