diff --git a/build/less/core.less b/build/less/core.less
index c17d999ff77d12bc0dec3f6ffaff32e53c9c8aea..d34378d1a24d57b86fd714ee151af5265fa54cd0 100644
--- a/build/less/core.less
+++ b/build/less/core.less
@@ -45,6 +45,7 @@ body {
 .content-wrapper, 
 .right-side,
 .main-footer {    
+  //Using disposable variable to join statements with a comma
   @transition-rule: @transition-speed @transition-fn,
                     margin-left @transition-speed @transition-fn;
   .transition-transform(@transition-rule);
diff --git a/build/less/sidebar.less b/build/less/sidebar.less
index 8cf3db5b8b23d77f6c0c651febe8f28b900c9047..bcf972efbc2517641d9339130ccfb859cd59026d 100644
--- a/build/less/sidebar.less
+++ b/build/less/sidebar.less
@@ -14,6 +14,7 @@
   min-height: 100%;
   width: @sidebar-width;
   z-index: 810;
+  //Using disposable variable to join statements with a comma
   @transition-rule: @transition-speed @transition-fn, 
                       width @transition-speed @transition-fn;
   .transition-transform(@transition-rule);