update CHANGELOG entry pertaining to escaping an include directive

CHANGELOG.adoc

@@ -18,7 +18,7 @@ Fixed::
 * Update xrefs to reflect module name change in asciidoctor component
 * Document the substitution values that the inline pass macro accepts; clarify the purpose of this macro (#37)
 * Move callouts for block image example to included line (#39)
-* Added missing leading backslash in example that shows how to escape an include directive in a verbatim block
+* Added missing leading backslash in examples that shows how to escape an include directive
 
 Added::
 * Import the AsciiDoc syntax quick reference content (#14)