diff --git a/troubadix/standalone_plugins/deprecate_vts.py b/troubadix/standalone_plugins/deprecate_vts.py
index 784019f7..8a864056 100644
--- a/troubadix/standalone_plugins/deprecate_vts.py
+++ b/troubadix/standalone_plugins/deprecate_vts.py
@@ -30,7 +30,7 @@ class DeprecatedFile:
 
 
 # CHANGE AS NEEDED
-FILENAME_REGEX = re.compile(r"gb_rhsa_2021")
+FILENAME_REGEX = re.compile(r"gb_rhsa_2020")
 
 KB_ITEMS = re.compile(r"set_kb_item\(.+\);")
 
@@ -55,9 +55,10 @@ def update_summary(file: DeprecatedFile, oid_mapping_path: Path = None) -> str:
     else:
         deprecate_text = "This VT has been deprecated."
 
-    summary = get_summary(file.content)
-    if summary:
-        file.content = deprecate_text + summary
+    old_summary = get_summary(file.content)
+    if old_summary:
+        new_summary = deprecate_text + old_summary
+        file.content = file.content.replace(old_summary, new_summary)
     else:
         print(f"No summary in: {file.name}")
 
@@ -174,21 +175,21 @@ def deprecate(
             file.content,
         )
         if dependencies:
-            tags_to_remove += dependencies.group()
+            tags_to_remove.append(dependencies.group())
 
         udp = re.search(
             get_special_script_tag_pattern(SpecialScriptTag.REQUIRE_UDP_PORTS),
             file.content,
         )
         if udp:
-            tags_to_remove += udp.group()
+            tags_to_remove.append(udp.group())
 
         man_keys = re.search(
             get_special_script_tag_pattern(SpecialScriptTag.MANDATORY_KEYS),
             file.content,
         )
         if man_keys:
-            tags_to_remove += man_keys.group()
+            tags_to_remove.append(man_keys.group())
 
         for tag in tags_to_remove:
             file.content = file.content.replace(tag + "\n", "")