diff --git a/PS2PatchElf/Program.cs b/PS2PatchElf/Program.cs
index 7fd7e76..8c0f1b4 100644
--- a/PS2PatchElf/Program.cs
+++ b/PS2PatchElf/Program.cs
@@ -9,8 +9,7 @@ class Program
     {
         static void Main(string[] args)
         {
-            // PS2PatchElf by CaptainSwag101
-            if (args.Length < 2 || args.Length > 3)
+            if (args.Length is not 2 or 3)
             {
                 Console.WriteLine("Improper number of arguments specified.\nPlease pass an input ELF/SLUS, a PNACH file, and optionally the patched ELF/SLUS's output path, in that order!");
                 return;
@@ -19,7 +18,7 @@ static void Main(string[] args)
             Elf? originalElf = ElfUtils.ParseElf(args[0]);
 
             // Final catch-all sanity check to ensure the ELF/SLUS file is valid
-            if (originalElf == null)
+            if (originalElf is null)
             {
                 Console.WriteLine("Something went wrong while loading the ELF file.");
                 return;
diff --git a/PS2PatchLib/ElfUtils.cs b/PS2PatchLib/ElfUtils.cs
index effdb99..0665bc9 100644
--- a/PS2PatchLib/ElfUtils.cs
+++ b/PS2PatchLib/ElfUtils.cs
@@ -129,7 +129,7 @@ public static class ElfUtils
             elf.SectionHeaders = new List<Elf.SectionHeader>();
             for (int sh = 0; sh < elf.Header.SHNum; ++sh)
             {
-
+                // We ignore these, I don't think they are necessary for PS2 ELF patching.
             }
 
             return elf;
diff --git a/PS2PatchLib/PnachUtils.cs b/PS2PatchLib/PnachUtils.cs
index d55baba..0d2149c 100644
--- a/PS2PatchLib/PnachUtils.cs
+++ b/PS2PatchLib/PnachUtils.cs
@@ -22,7 +22,7 @@ public static List<PnachCheat> ParseCheatFile(string pnachPath)
 
             using StreamReader reader = new(pnachPath);
             string? line;
-            while ((line = reader.ReadLine()?.ToLowerInvariant()) != null)
+            while ((line = reader.ReadLine()?.ToLowerInvariant()) is not null)
             {
                 // We only care about cheat lines
                 if (!line.StartsWith("patch"))