diff --git a/tutorials/digilines.html b/tutorials/digilines.html
index b194c56..0605de6 100644
--- a/tutorials/digilines.html
+++ b/tutorials/digilines.html
@@ -93,9 +93,12 @@ Code:<ol>
 <li>Slave:
     <pre>   
     if event.type =="digiline" then 
-            digiline_send("TV","channel: "..event.channel.."message: "..event.msg)--TV is channel of LCD
+            --TV is channel of LCD
+            digiline_send("TV","channel: " .. event.channel ..
+                          "message: " .. event.msg)
         end
-    --[[Where: Event is a table generated by the lua controller when a particular event is recoginzed by the LUA controller. It consist of :
+    --[[Where: Event is a table generated by the lua controller when a
+        particular event is recoginzed by the LUA controller. It consist of :
 
     event ={
     type ="<eventtype>"
@@ -206,74 +209,74 @@ end </pre>
 <li>A node (Default:stone99):
 <pre>
 event = {
-        type = "digiline",
-        channel = "d",
-        msg = {
-                stack = {
-                        meta = {
-                             -- this field contains additonal memory for the node  
-                       },
-                        metadata = "",
-                        count = 99,
-                        name = "default:stone", 
-                        --name and count  will chage according to the node
-                        wear = 0 
-                        -- this says about the condition of tool
-                },
-                action = "uput", 
-                to_slot = 1 --denotes which slot the stuff is
-        }
+    type = "digiline",
+    channel = "d",
+    msg = {
+         stack = {
+         meta = {
+             -- this field contains additonal memory for the node  
+         },
+         metadata = "",
+         count = 99,
+         name = "default:stone", 
+         --name and count  will chage according to the node
+         wear = 0 
+         -- this says about the condition of tool
+    },
+    action = "uput", 
+    to_slot = 1 --denotes which slot the stuff is
+    }
 }
 </pre>
 <li>A Technic node with charge (Blue energy Crystal)
 <pre>
 event ={
-        type = "digiline",
-        channel = "d",
-        msg = {
-                stack = {
-                        meta = {
+    type = "digiline",
+    channel = "d",
+    msg = {
+         stack = {
+             meta = {
 
-                        },
-                        metadata = "return {[\"charge\"] = 450000}", 
-                        -- charge tells the amout of charge that  crystal
-                        count = 1,
-                        name = "technic:blue_energy_crystal",
-                        wear = 1
-                },
-                action = "uput",
-                to_slot = 2
-        }
+             },
+             metadata = "return {[\"charge\"] = 450000}", 
+             -- charge tells the amout of charge that  crystal
+             count = 1,
+             name = "technic:blue_energy_crystal",
+             wear = 1
+        },
+        action = "uput",
+        to_slot = 2
+    }
 }
 </pre>
 <li>A book with Titile "my book" of content:
     hello world
 <pre>
 event ={
-        type = "digiline",
-        channel = "d",
-        msg = {
-                stack = {
-                        meta = {
-                                owner = "sivarajan",
-                                title = "my book",
-                                page_max = "1",
-                                text = "hello \ world",  
-                                -- \represents a new line in a book
-                                page = "1",
-                                description = "\27(T@default)\"\27Fmy book\27E\" by \27Fsivarajan\27E\27E"
-                                --this is the text shown to other player viewing the book
-                        },
-                        metadata = "",
-                        count = 1,
-                        name = "default:book_written",
-                        wear = 0
-                },
-                action = "umove",
-                from_slot = 11, 
-                -- when moving stuff  read the Notes 
-                to_slot = 3
-        }
+    type = "digiline",
+    channel = "d",
+    msg = {
+        stack = {
+            meta = {
+                owner = "sivarajan",
+                title = "my book",
+                page_max = "1",
+                text = "hello \ world",  
+                -- \represents a new line in a book
+                page = "1",
+                description = "\27(T@default)\"\27Fmy book\27E\" by \27Fsivarajan\27E\27E"
+                --this is the text shown to other player viewing the book
+            },
+            metadata = "",
+            count = 1,
+            name = "default:book_written",
+            wear = 0
+        },
+        action = "umove",
+        from_slot = 11, 
+        -- when moving stuff  read the Notes 
+        to_slot = 3
+    }
 }
 </pre>
 </ol>
@@ -340,44 +343,44 @@ event ={
     type = "digiline",
     channel = "<channel>",
     msg = {
-            input = (integer), 
-            --input voltage
-            supply = 40000,-
-            -upgrade 1 and 2 are availabe only for HV tools                
-            upgrade1 = {
-                        meta = {
+        input = (integer), 
+        --input voltage
+        supply = 40000,-
+        --upgrade 1 and 2 are availabe only for HV tools                
+        upgrade1 = {
+            meta = {
 
-                        },
-                        metadata = "",
-                        count = 1,
-                        name = "<modname:node>", 
-                        -- here the node will be a valid upgrade node
-                        wear = 0
-                },
-            upgrade2 = {
-                     meta = {
+            },
+            metadata = "",
+            count = 1,
+            name = "<modname:node>", 
+            -- here the node will be a valid upgrade node
+            wear = 0
+        },
+        upgrade2 = {
+            meta = {
 
-                        },
-                        metadata = "",
-                        count = 1,
-                        name = "technic:battery",
-                        wear = 0
-                },
-            demand = (integervalue) 
-            charge = (integer value), 
-            -- amount of charge it contains
-            max_charge = (integer), 
-            -- maximum charge
-            src = {
-                    meta = {
+            },
+            metadata = "",
+            count = 1,
+            name = "technic:battery",
+            wear = 0
+        },
+        demand = (integervalue) 
+        charge = (integer value), 
+        -- amount of charge it contains
+        max_charge = (integer), 
+        -- maximum charge
+        src = {
+            meta = {
 
-                        },
+            },
             metadata = "return {[\"charge\"] = <integer>}",
             count = 1,
             name = "technic:<toolname>",
             wear = (integervalue)
-                }
         }
+    }
 }
 </pre>
 <h3>6.4 Interfacing Technic and Digiline</h3>