<para>The debugger provides the following:
<itemizedlist>
<listitem>
- <para>The abilty to set a <firstterm>breakpoint</firstterm> on a
+ <para>The ability to set a <firstterm>breakpoint</firstterm> on a
function definition or expression in the program. When the function
is called, or the expression evaluated, GHCi suspends
execution and returns to the prompt, where you can inspect the