diff --git a/lib/std/builtin.zig b/lib/std/builtin.zig
index 224fc1c618..e273d4c0c7 100644
--- a/lib/std/builtin.zig
+++ b/lib/std/builtin.zig
@@ -190,10 +190,12 @@ pub const CallingConvention = enum(u8) {
 /// This data structure is used by the Zig language code generation and
 /// therefore must be kept in sync with the compiler implementation.
 pub const AddressSpace = enum(u5) {
+    // CPU address spaces.
     generic,
     gs,
     fs,
     ss,
+
     // GPU address spaces.
     global,
     constant,
diff --git a/src/Sema.zig b/src/Sema.zig
index 48c2be86aa..66302ebc0d 100644
--- a/src/Sema.zig
+++ b/src/Sema.zig
@@ -35631,7 +35631,7 @@ pub fn analyzeAddressSpace(
     ctx: AddressSpaceContext,
 ) !std.builtin.AddressSpace {
     const mod = sema.mod;
-    const addrspace_tv = try sema.resolveInstConst(block, src, zir_ref, "addresspace must be comptime-known");
+    const addrspace_tv = try sema.resolveInstConst(block, src, zir_ref, "address space must be comptime-known");
     const address_space = mod.toEnum(std.builtin.AddressSpace, addrspace_tv.val);
     const target = sema.mod.getTarget();
     const arch = target.cpu.arch;