diff --git a/biobb_dna/curvesplus/canal_unzip.py b/biobb_dna/curvesplus/canal_unzip.py
index ec83c74..102bcc3 100755
--- a/biobb_dna/curvesplus/canal_unzip.py
+++ b/biobb_dna/curvesplus/canal_unzip.py
@@ -16,6 +16,7 @@ class CanalUnzip(BiobbObject):
     """
     | biobb_dna CanalUnzip
     | Tool for extracting biobb_canal output files.
+    | Unzips a Canal output file contained within a zip file.
 
     Args:
         input_zip_file (str): Zip file with Canal output files. File type: input. `Sample file <https://raw.githubusercontent.com/bioexcel/biobb_dna/master/biobb_dna/test/data/curvesplus/canal_output.zip>`_. Accepted formats: zip (edam:format_3987).
diff --git a/biobb_dna/dna/dna_timeseries_unzip.py b/biobb_dna/dna/dna_timeseries_unzip.py
index 595bc0d..599328e 100755
--- a/biobb_dna/dna/dna_timeseries_unzip.py
+++ b/biobb_dna/dna/dna_timeseries_unzip.py
@@ -16,6 +16,7 @@ class DnaTimeseriesUnzip(BiobbObject):
     """
     | biobb_dna DnaTimeseriesUnzip
     | Tool for extracting dna_timeseries output files.
+    | Unzips a zip file containing dna_timeseries output files and extracts the csv and jpg files.
 
     Args:
         input_zip_file (str): Zip file with dna_timeseries output files. File type: input. `Sample file <https://raw.githubusercontent.com/bioexcel/biobb_dna/master/biobb_dna/test/data/dna/timeseries_output.zip>`_. Accepted formats: zip (edam:format_3987).
diff --git a/biobb_dna/json_schemas/canal_unzip.json b/biobb_dna/json_schemas/canal_unzip.json
index edc497f..e54bbb4 100644
--- a/biobb_dna/json_schemas/canal_unzip.json
+++ b/biobb_dna/json_schemas/canal_unzip.json
@@ -3,7 +3,7 @@
     "$id": "http://bioexcel.eu/biobb_dna/json_schemas/1.0/canal_unzip",
     "name": "biobb_dna CanalUnzip",
     "title": "Tool for extracting biobb_canal output files.",
-    "description": null,
+    "description": "Unzips a Canal output file contained within a zip file.",
     "type": "object",
     "info": {
         "wrapped_software": {
diff --git a/biobb_dna/json_schemas/dna_timeseries_unzip.json b/biobb_dna/json_schemas/dna_timeseries_unzip.json
index f92e25b..5c52e78 100644
--- a/biobb_dna/json_schemas/dna_timeseries_unzip.json
+++ b/biobb_dna/json_schemas/dna_timeseries_unzip.json
@@ -3,7 +3,7 @@
     "$id": "http://bioexcel.eu/biobb_dna/json_schemas/1.0/dna_timeseries_unzip",
     "name": "biobb_dna DnaTimeseriesUnzip",
     "title": "Tool for extracting dna_timeseries output files.",
-    "description": null,
+    "description": "Unzips a zip file containing dna_timeseries output files and extracts the csv and jpg files.",
     "type": "object",
     "info": {
         "wrapped_software": {