Section 4.2.4 link above Table 2 doesn't work

**What Course are you in**
Working at Berea College for Dr Boggs.
**What Page were you on**
4.2.4 Strings
**What is your username**
belainehi
**Describe the bug**
There is :ref Table 2 right before table 2. It seems to be a link but it gives 404 error when clicked. 
**Traceback**
If you got here through the Bug Report page and there was a stack trace, please paste it here