diff --git a/Using-BlenderCAM-with-OpenCAMLib.md b/Using-BlenderCAM-with-OpenCAMLib.md
index 22d57d8..848946c 100644
--- a/Using-BlenderCAM-with-OpenCAMLib.md
+++ b/Using-BlenderCAM-with-OpenCAMLib.md
@@ -10,7 +10,11 @@ Install dependecies:
 
 Install optional dependencies:  
 
-    sudo aptitude install amd64-microcode intel-microcode cmake-gui  
+    sudo aptitude install amd64-microcode intel-microcode cmake-gui
+
+For distribution Debian Jessi (8.3) instead libomp-dev it is necessary to put libiomp-dev, because libomp-dev missing in the repository
+
+    sudo aptitude install  libiomp-dev
 
 For Debian Jessie you have to replace libomp-dev with libiomp-dev (libomp-dev is not in stable yet)