#108 add back tips

#108 add back tips

tests/testdata/outputs_expected/ether_send.sol.text

@@ -3,7 +3,7 @@ Type: Warning
 Contract: Crowdfunding
 Function name: withdrawfunds()
 PC address: 816
-In the function 'withdrawfunds()' a non-zero amount of Ether is sent to msg.sender.
+In the function `'withdrawfunds()'` a non-zero amount of Ether is sent to msg.sender.
 
 There is a check on storage index 1. This storage slot can be written to by calling the function 'crowdfunding()'.
 --------------------
@@ -18,7 +18,7 @@ Type: Warning
 Contract: Crowdfunding
 Function name: invest()
 PC address: 483
-A possible integer overflow exists in the function invest().
+A possible integer overflow exists in the function `invest()`.
 The addition may result in a value higher than the maximum representable integer.
 --------------------
 In file: <TESTDATA>/inputs/ether_send.sol:24