diff --git a/Library-Documentation.md b/Library-Documentation.md
index 7e99a61..3f19068 100644
--- a/Library-Documentation.md
+++ b/Library-Documentation.md
@@ -491,9 +491,9 @@ for (const auto &entry : myMap) {
 ##### Operators
 - `operator std::vector<Info>()`: Returns list as vector<Info>.
 - `operator int()`: Returns partition count.
-- `operator bool()`: Success check.
+- `operator bool()`: Success check (whether it is not empty).
 - `operator=(&map)`: Equal operator.
-- `operator!()`: Failure check.
+- `operator!()`: Failure check (whether it is empty).
 - `operator()(path)`: Build map from path.
 - `Info operator[](index)`: Return the information of the section in the input index in the Info structure.
 - `BasicInf operator[](name)`: Return the input section name information in the BasicInfo structure.