diff --git a/plugins/modules/ec2_metadata_facts.py b/plugins/modules/ec2_metadata_facts.py
index 26ecaad0adb..6bc0d529d96 100644
--- a/plugins/modules/ec2_metadata_facts.py
+++ b/plugins/modules/ec2_metadata_facts.py
@@ -524,17 +524,15 @@ def _fetch(self, url):
         response, info = fetch_url(self.module, encoded_url, headers=headers, force=True)
 
         if info.get("status") in (401, 403):
-            self.module.fail_json(msg="Failed to retrieve metadata from AWS: {0}".format(info["msg"]), response=info)
+            self.module.fail_json(msg=f"Failed to retrieve metadata from AWS: {info['msg']}", response=info)
         elif info.get("status") not in (200, 404):
             time.sleep(3)
             # request went bad, retry once then raise
-            self.module.warn("Retrying query to metadata service. First attempt failed: {0}".format(info["msg"]))
+            self.module.warn(f"Retrying query to metadata service. First attempt failed: {info['msg']}")
             response, info = fetch_url(self.module, encoded_url, headers=headers, force=True)
             if info.get("status") not in (200, 404):
                 # fail out now
-                self.module.fail_json(
-                    msg="Failed to retrieve metadata from AWS: {0}".format(info["msg"]), response=info
-                )
+                self.module.fail_json(msg=f"Failed to retrieve metadata from AWS: {info['msg']}", response=info)
         if response and info["status"] < 400:
             data = response.read()
             if "user-data" in encoded_url:
@@ -585,15 +583,15 @@ def fetch(self, uri, recurse=True):
                 content = self._fetch(new_uri)
                 if field == "security-groups" or field == "security-group-ids":
                     sg_fields = ",".join(content.split("\n"))
-                    self._data["%s" % (new_uri)] = sg_fields
+                    self._data[f"{new_uri}"] = sg_fields
                 else:
                     try:
                         json_dict = json.loads(content)
-                        self._data["%s" % (new_uri)] = content
+                        self._data[f"{new_uri}"] = content
                         for key, value in json_dict.items():
-                            self._data["%s:%s" % (new_uri, key.lower())] = value
+                            self._data[f"{new_uri}:{key.lower()}"] = value
                     except (json_decode_error, AttributeError):
-                        self._data["%s" % (new_uri)] = content  # not a stringified JSON string
+                        self._data[f"{new_uri}"] = content  # not a stringified JSON string
 
     def fix_invalid_varnames(self, data):
         """Change ':'' and '-' to '_' to ensure valid template variable names"""
@@ -612,19 +610,15 @@ def fetch_session_token(self, uri_token):
         response, info = fetch_url(self.module, uri_token, method="PUT", headers=headers, force=True)
 
         if info.get("status") == 403:
-            self.module.fail_json(
-                msg="Failed to retrieve metadata token from AWS: {0}".format(info["msg"]), response=info
-            )
+            self.module.fail_json(msg=f"Failed to retrieve metadata token from AWS: {info['msg']}", response=info)
         elif info.get("status") not in (200, 404):
             time.sleep(3)
             # request went bad, retry once then raise
-            self.module.warn("Retrying query to metadata service. First attempt failed: {0}".format(info["msg"]))
+            self.module.warn(f"Retrying query to metadata service. First attempt failed: {info['msg']}")
             response, info = fetch_url(self.module, uri_token, method="PUT", headers=headers, force=True)
             if info.get("status") not in (200, 404):
                 # fail out now
-                self.module.fail_json(
-                    msg="Failed to retrieve metadata token from AWS: {0}".format(info["msg"]), response=info
-                )
+                self.module.fail_json(msg=f"Failed to retrieve metadata token from AWS: {info['msg']}", response=info)
         if response:
             token_data = response.read()
         else:
diff --git a/plugins/modules/s3_object.py b/plugins/modules/s3_object.py
index 8f36df398f0..8fc9c8564cd 100644
--- a/plugins/modules/s3_object.py
+++ b/plugins/modules/s3_object.py
@@ -1381,9 +1381,9 @@ def s3_object_do_copy(module, connection, connection_v4, s3_vars):
             changed |= updated
             number_keys_updated += 1 if updated else 0
 
-        msg = "object(s) from buckets '{0}' and '{1}' are the same.".format(src_bucket, s3_vars["bucket"])
+        msg = f"object(s) from buckets '{src_bucket}' and '{s3_vars['bucket']}' are the same."
         if number_keys_updated:
-            msg = "{0} copied into bucket '{1}'".format(number_keys_updated, s3_vars["bucket"])
+            msg = f"{number_keys_updated} copied into bucket '{s3_vars['bucket']}'"
         module.exit_json(changed=changed, msg=msg)
     else:
         # copy single object from source bucket into destination bucket