diff --git a/SC2187.md b/SC2187.md
index ec1e5a2..47cf427 100644
--- a/SC2187.md
+++ b/SC2187.md
@@ -18,7 +18,9 @@ echo "Hello World"
 
 ShellCheck has no first class support for `ash`, but it does support its Debian fork `dash` and defaults to this whenever `ash` is specified.
 
-You can use a [[directive]] to let shellcheck know you're aware of this.
+Unfortunately, while the two are similar, they are not completely compatible. For example, `ash` supports `echo -e` but `dash` does not, so ShellCheck will incorrectly warn about it.
+
+You can use a [[directive]] to let ShellCheck know you're aware of this problem.
 
 ### Exceptions: