diff --git a/static/buttons.js b/static/buttons.js
index 0620320..d0e1c57 100644
--- a/static/buttons.js
+++ b/static/buttons.js
@@ -1,4 +1,4 @@
-/* disable buttons if nessesary */
+/* predefine some variables */
 var url   = new URL(window.location.href)
 var page  = url.searchParams.get("page")
 var buttonBackward = document.getElementById("button-backward")
@@ -6,6 +6,7 @@ var buttonForward  = document.getElementById("button-forward")
 var buttonFirst    = document.getElementById("button-first")
 var isLastPage     = document.getElementById("eof")
 
+/* disable buttons if nessesary */
 if(!page || page == "0"){
     buttonBackward.disabled = true
     buttonFirst.disabled   = true
@@ -21,7 +22,6 @@ if(isLastPage){
 
 function forward(){
 
-
     /* clean URL from unessesary parameters */
     url.searchParams.delete("goto")