diff --git a/fedelemflowlist/globals.py b/fedelemflowlist/globals.py
index 659f1f4..3bc04cc 100644
--- a/fedelemflowlist/globals.py
+++ b/fedelemflowlist/globals.py
@@ -53,7 +53,8 @@
                 stream=sys.stdout)
 
 flow_list_specs = {
-    "list_version": "1.2.4",
+    "tool_version": "1.3.0",
+    "list_version": "1.3.0",
     "flow_classes": ["Biological", "Chemicals", "Energy", "Geological",
                      "Groups", "Land", "Other", "Water"],
     "primary_context_classes": ["Directionality", "Environmental Media"],
diff --git a/fedelemflowlist/jsonld.py b/fedelemflowlist/jsonld.py
index 5129c25..56a8b08 100644
--- a/fedelemflowlist/jsonld.py
+++ b/fedelemflowlist/jsonld.py
@@ -154,10 +154,14 @@ def write_to(self, path: Path, zw: zipio.ZipWriter = None):
     def _write_flows(self, zw: zipio.ZipWriter):
         altflowlist=fedelemflowlist.get_alt_conversion()
         for _, row in self.flow_list.iterrows():
-            description = "From FedElemFlowList_"+flow_list_specs['list_version']+'.'
+            description = (
+                f"From Federal Elementary Flow List "
+                f"v{flow_list_specs['list_version']}, written by "
+                f"fedelemflowlist v{flow_list_specs['tool_version']}."
+                )
             flow_class = row.get("Class")
             if flow_class is not None:
-                description += " Flow Class: %s." % flow_class
+                description += f" Flow Class: {flow_class}."
 
             preferred = row.get("Preferred", 0)
             if preferred == 1 or preferred == "1":
@@ -182,8 +186,7 @@ def _write_flows(self, zw: zipio.ZipWriter):
             fp.conversion_factor = 1.0
             fp.flow_property = units.property_ref(row["Unit"])
             if fp.flow_property is None:
-                log.warning("unknown unit %s in flow %s",
-                            row["Unit"], row["Flow UUID"])
+                log.warning(f"unknown unit {row['Unit']} in flow {row['Flow UUID']}")
             flow.flow_properties = [fp]
             #Add in alternate unit flow propert(ies), if an alternate unit exists
             #in the flows list, uses short list of altflowlist to assign one or more
@@ -197,8 +200,8 @@ def _write_flows(self, zw: zipio.ZipWriter):
                     altfp.conversion_factor = alternate['AltUnitConversionFactor']
                     altfp.flow_property = units.property_ref(alternate["AltUnit"])
                     if altfp.flow_property is None:
-                        log.warning("unknown altunit %s in flow %s",
-                                    alternate["AltUnit"], row["Flow UUID"])
+                        log.warning(f"unknown altunit {alternate['AltUnit']} "
+                                    f"in flow {row['Flow UUID']}")
                     else:
                         flow.flow_properties.append(altfp)
             zw.write(flow)
@@ -231,5 +234,5 @@ def _write_mappings(self, zw: zipio.ZipWriter):
             # as there are currenty only methods for writing RootEntity
             # objects in the ZipWriter
             zw._ZipWriter__zip.writestr(
-                "flow_mappings/" + flow_map["@id"] + ".json",
+                f"flow_mappings/{flow_map['@id']}.json",
                 json.dumps(flow_map))
diff --git a/setup.py b/setup.py
index e8df083..f7329a0 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 
 setup(
     name='fedelemflowlist',
-    version='1.2.4',
+    version='1.3.0',
     packages=['fedelemflowlist'],
     package_dir={'fedelemflowlist': 'fedelemflowlist'},
     package_data={'fedelemflowlist': [