updating test case docstring and changelog message

Author: huacchob

changes/144.fixed

@@ -1 +1 @@
-If the value is a a bool, the function extract_data_from_json will attempt to iterate through the nested values
+If the value is a a boolean, the function extract_data_from_json will attempt to iterate through the nested values

tests/test_get_value.py

@@ -143,7 +143,7 @@ def test_top_key_anchor(jmspath, expected_value):
 
 
 def test_not_iterable_value():
-    """Test JMSPath return value for anchoring the top key."""
+    """Test JMSPath return value for values that are not iterable."""
     data = {
         "isBool": True,
     }