Update README.md

README.md

@@ -25,7 +25,7 @@ Here is a recipe for Mai Tai:\n\n1:
 > 3 parts rum, 2: 3 parts pineapple juice, 3: half a cup of lime juice, 4: 6 to 8 fresh or frozen pineapple chunks, 5: crushed ice.
 > Mix all ingredients except ice and pour into glasses with ice. Garnish with a pineapple slice.
 
-Here is an implementation of 2-sum in golang:\n\n```go
+Here is an implementation of 2-sum in golang:\n\n\`\`\`go
 > func twoSum(nums []int, target int) []int {
 >   if len(nums) <= 1 { return nil }
 >   m := map[int] bool{}
@@ -37,7 +37,7 @@ Here is an implementation of 2-sum in golang:\n\n```go
 >   }}
 >   return nil
 > }
-> ```
+> \`\`\`
 
 
 # Output should be [2,3] because that' is the position of where 4+4 =8 exists in our list