diff --git a/BaseTools/Plugin/OverrideValidation/OverrideValidation.py b/BaseTools/Plugin/OverrideValidation/OverrideValidation.py
index 69a3c9c4d16..0408c2613aa 100644
--- a/BaseTools/Plugin/OverrideValidation/OverrideValidation.py
+++ b/BaseTools/Plugin/OverrideValidation/OverrideValidation.py
@@ -400,7 +400,7 @@ def deprecation_process_line_with_version1(self, thebuilder, filepath, Deprecati
             normalized_file_path = filepath.replace("\\", "/")
 
             # Check if the module is part of the skip list
-            skip_list = thebuilder.env.GetValue("DEPRECATED_MODULES_SKIPLIST").split(";")
+            skip_list = thebuilder.env.GetValue("DEPRECATED_MODULES_SKIPLIST")
             for module in skip_list:
                 if module.strip() == "":
                     continue
@@ -705,12 +705,12 @@ def path_parse():
 
     if Paths.DeprecatedPath is not None:
         if not os.path.isfile(Paths.DeprecatedPath):
-            raise RuntimeError("Deprecation path module is invalid")
+            raise RuntimeError(f"Deprecation path {Paths.DeprecatedPath} module is invalid")
         # Needs to strip os.sep is to take care of the root path case
         # For a folder, this will do nothing on a formatted abspath
         # For a drive root, this will rip off the os.sep
         if not os.path.normcase(Paths.DeprecatedPath).startswith(os.path.normcase(Paths.WorkSpace.rstrip(os.sep)) + os.sep):
-            raise RuntimeError("Module is not within specified Workspace.")
+            raise RuntimeError(f"Module {Paths.DeprecatedPath} is not within the specified Workspace {Paths.WorkSpace.rstrip(os.sep)}.")
 
     return Paths
 
diff --git a/BaseTools/Plugin/OverrideValidation/ReadMe.md b/BaseTools/Plugin/OverrideValidation/ReadMe.md
index a5b102a1deb..ed770adfa55 100644
--- a/BaseTools/Plugin/OverrideValidation/ReadMe.md
+++ b/BaseTools/Plugin/OverrideValidation/ReadMe.md
@@ -105,13 +105,13 @@ Override record to be included in overriding module's inf:
 Command to generate a deprecation record:
 
 ``` cmd
-OverrideValidation.py -w C:\Repo -d C:\Repo\MU_BASECORE\MdeModulePkg\BaseMemoryLib\BaseMemoryLib.inf -dr C:\Repo\MU_BASECORE\MdeModulePkg\BaseMemoryLibV2\BaseMemoryLib.inf
+OverrideValidation.py -w C:\Repo -d C:\Repo\MU_BASECORE\MdeModulePkg\BaseMemoryLib\BaseMemoryLib.inf -dr C:\Repo\MU_BASECORE\MdeModulePkg\BaseMemoryLibV2\BaseMemoryLib.inf -dt 120
 ```
 
 Deprecation record to be included in the deprecated module's inf:
 
 ``` cmd
-#Deprecated : 00000001 | MdeModulePkg/BaseMemoryLibV2/BaseMemoryLib.inf | 2024-02-16T04-00-28
+#Deprecated : 00000001 | MdeModulePkg/BaseMemoryLibV2/BaseMemoryLib.inf | 2024-02-16T04-00-28 | 120
 ```
 
 Deprecation warning example:
@@ -120,10 +120,10 @@ Deprecation warning example:
 WARNING - Use of Deprecated module: C:\Repo\MU_BASECORE\MdeModulePkg\BaseMemoryLib\BaseMemoryLib.inf, Please switch to:  C:\Repo\MU_BASECORE\MdeModulePkg\BaseMemoryLibV2\BaseMemoryLib.inf.
 ```
 
-To disable Deprecation warnings, Set the following value in the build scripts.
+To disable Deprecation warnings for a given module, add it to the deprecation modules skip list.
 
 ``` cmd
-self.env.SetValue("ALLOW_DEPRECATED_MODULES", "TRUE", "Allow the usage of deprecated modules")
+self.env.SetValue("DEPRECATED_MODULES_SKIPLIST", ["MdeModulePkg\BaseMemoryLib\BaseMemoryLib.inf"], "Skip list for platforms")
 ```
 Override log generated during pre-build process: