diff --git a/deker/tools/array.py b/deker/tools/array.py
index 9ef340b..5f1f66d 100644
--- a/deker/tools/array.py
+++ b/deker/tools/array.py
@@ -54,6 +54,11 @@ def convert_human_memory_to_bytes(memory_limit: Union[int, str]) -> int:
     if isinstance(memory_limit, int):
         return memory_limit
 
+    try:
+        return int(memory_limit)
+    except ValueError:
+        pass
+
     limit, div = memory_limit[:-1], memory_limit.lower()[-1]
     try:
         int_limit: int = int(limit)
diff --git a/docs/deker/collection_schema.rst b/docs/deker/collection_schema.rst
index 00bed2f..8ac1dde 100755
--- a/docs/deker/collection_schema.rst
+++ b/docs/deker/collection_schema.rst
@@ -104,7 +104,7 @@ with its *zero-index* at the front-left-bottom corner.
 .. image:: images/varray.png
    :scale: 30%
 
-Let's query the following slice of it: ``[:, 2:4, :]``
+Let's query the following slice of it: ``[2:4, :, :]``
 
 .. image:: images/varray_request.png
    :scale: 30%
diff --git a/docs/deker/installation.rst b/docs/deker/installation.rst
index 7141f92..91dcd22 100755
--- a/docs/deker/installation.rst
+++ b/docs/deker/installation.rst
@@ -36,7 +36,7 @@ Deker depends on the following third-party packages:
     * ``h5py`` >= 3.8.0
     * ``hdf5plugin`` >= 4.0.1
 
-Also please not that for flexibility few internal Deker components are published as separate
+Also please note that for flexibility few internal Deker components are published as separate
 packages:
 
     * ``deker-local-adapters``
diff --git a/tests/test_cases/test_tools/test_tools.py b/tests/test_cases/test_tools/test_tools.py
index 0df3848..a32d607 100644
--- a/tests/test_cases/test_tools/test_tools.py
+++ b/tests/test_cases/test_tools/test_tools.py
@@ -10,8 +10,8 @@
 from tests.parameters.collection_params import CollectionParams
 
 from deker.collection import Collection
-from deker.errors import DekerInstanceNotExistsError, DekerMemoryError
-from deker.tools import check_memory
+from deker.errors import DekerInstanceNotExistsError, DekerMemoryError, DekerValidationError
+from deker.tools import check_memory, convert_human_memory_to_bytes
 from deker.tools.time import convert_datetime_attrs_to_iso, convert_iso_attrs_to_datetime
 
 
@@ -227,5 +227,23 @@ def test_generate_id_raises(array_type_arg):
         generate_uid(array_type_arg)
 
 
+@pytest.mark.parametrize(
+    "params,result,error",
+    (
+        ("1K", 1024, None),
+        ("1M", 1024**2, None),
+        ("1G", 1024**3, None),
+        ("0", 0, None),
+        ("Foo", None, DekerValidationError),
+    ),
+)
+def test_convert_human_to_bytes(params, result, error):
+    if error:
+        with pytest.raises(error):
+            convert_human_memory_to_bytes(params)
+    else:
+        assert convert_human_memory_to_bytes(params) == result
+
+
 if __name__ == "__main__":
     pytest.main()