diff --git a/src/c/nehe.c b/src/c/nehe.c
index edfe5bf..f7ae0c5 100644
--- a/src/c/nehe.c
+++ b/src/c/nehe.c
@@ -245,7 +245,7 @@ SDL_GPUTexture* NeHe_CreateGPUTextureFromSurface(NeHeContext* restrict ctx, cons
 	bool needsConvert = false;
 	switch (surface->format)
 	{
-	// FIMXE: I'm not sure that these are endian-safe
+	// FIXME: I'm not sure that these are endian-safe
 	case SDL_PIXELFORMAT_RGBA32:        info.format = SDL_GPU_TEXTUREFORMAT_R8G8B8A8_UNORM; break;
 	case SDL_PIXELFORMAT_RGBA64:        info.format = SDL_GPU_TEXTUREFORMAT_R16G16B16A16_UNORM; break;
 	case SDL_PIXELFORMAT_RGB565:        info.format = SDL_GPU_TEXTUREFORMAT_B5G6R5_UNORM; break;
@@ -284,7 +284,7 @@ SDL_GPUTexture* NeHe_CreateGPUTextureFromSurface(NeHeContext* restrict ctx, cons
 	if (genMipmaps)
 	{
 		info.usage |= SDL_GPU_TEXTUREUSAGE_COLOR_TARGET;
-		// floor(log₂(max(𝑤,ℎ)) + 1
+		// floor(log₂(max(𝑤,ℎ))) + 1
 		info.num_levels = (Uint32)SDL_MostSignificantBitIndex32(SDL_max(info.width, info.height)) + 1;
 	}
 
diff --git a/src/rust/nehe/context/copypass.rs b/src/rust/nehe/context/copypass.rs
index 37fa268..bc49a25 100644
--- a/src/rust/nehe/context/copypass.rs
+++ b/src/rust/nehe/context/copypass.rs
@@ -163,7 +163,7 @@ impl NeHeCopyPass<'_>
 		if gen_mipmaps
 		{
 			info.usage |= SDL_GPU_TEXTUREUSAGE_COLOR_TARGET;
-			info.num_levels = max(info.width, info.height).ilog2() + 1;  // floor(log₂(max(𝑤,ℎ)) + 1
+			info.num_levels = max(info.width, info.height).ilog2() + 1;  // floor(log₂(max(𝑤,ℎ))) + 1
 		}
 
 		if needs_convert
diff --git a/src/swift/NeHe/NeHeCopyPass.swift b/src/swift/NeHe/NeHeCopyPass.swift
index b6d4ad9..085f1cd 100644
--- a/src/swift/NeHe/NeHeCopyPass.swift
+++ b/src/swift/NeHe/NeHeCopyPass.swift
@@ -194,7 +194,7 @@ public extension NeHeCopyPass
 		if genMipmaps
 		{
 			info.usage |= SDL_GPU_TEXTUREUSAGE_COLOR_TARGET
-			// floor(log₂(max(𝑤,ℎ)) + 1
+			// floor(log₂(max(𝑤,ℎ))) + 1
 			info.num_levels = 31 - UInt32(max(info.width, info.height).leadingZeroBitCount) + 1
 		}