diff --git a/rhodecode/public/js/mode/go/index.html b/rhodecode/public/js/mode/go/index.html
--- a/rhodecode/public/js/mode/go/index.html
+++ b/rhodecode/public/js/mode/go/index.html
@@ -25,36 +25,36 @@ import "fmt"
 
 // Send the sequence 2, 3, 4, ... to channel 'ch'.
 func generate(ch chan<- int) {
-	for i := 2; ; i++ {
-		ch <- i  // Send 'i' to channel 'ch'
-	}
+    for i := 2; ; i++ {
+        ch <- i  // Send 'i' to channel 'ch'
+    }
 }
 
 // Copy the values from channel 'src' to channel 'dst',
 // removing those divisible by 'prime'.
 func filter(src <-chan int, dst chan<- int, prime int) {
-	for i := range src {    // Loop over values received from 'src'.
-		if i%prime != 0 {
-			dst <- i  // Send 'i' to channel 'dst'.
-		}
-	}
+    for i := range src {    // Loop over values received from 'src'.
+        if i%prime != 0 {
+            dst <- i  // Send 'i' to channel 'dst'.
+        }
+    }
 }
 
 // The prime sieve: Daisy-chain filter processes together.
 func sieve() {
-	ch := make(chan int)  // Create a new channel.
-	go generate(ch)       // Start generate() as a subprocess.
-	for {
-		prime := <-ch
-		fmt.Print(prime, "\n")
-		ch1 := make(chan int)
-		go filter(ch, ch1, prime)
-		ch = ch1
-	}
+    ch := make(chan int)  // Create a new channel.
+    go generate(ch)       // Start generate() as a subprocess.
+    for {
+        prime := <-ch
+        fmt.Print(prime, "\n")
+        ch1 := make(chan int)
+        go filter(ch, ch1, prime)
+        ch = ch1
+    }
 }
 
 func main() {
-	sieve()
+    sieve()
 }
 </textarea></form>