update readme

Author: gdevanla

README.md

@@ -177,8 +177,7 @@ wrongFuncDefintion = x + 1
 Example 4
 ---------
 
-Any errors that occur while executing statements in the `code` block are
-also rendered.
+Expand type definitions
 
 ``` {.haskell code-filter="Off"}
 
@@ -248,8 +247,7 @@ wrongFuncDefintion = x + 1
 Example 4
 ---------
 
-Any errors that occur while executing statements in the `code` block are
-also rendered.
+Expand type definitions
 
 ``` {.haskell code-filter="On"}