diff --git a/doc/langref.html.in b/doc/langref.html.in
index 5ddd572e514ff8899e0bf220516b863471a2573c..54223a9ce36b4c40a25d30bf538114d080c246e6 100644
--- a/doc/langref.html.in
+++ b/doc/langref.html.in
@@ -3787,7 +3787,7 @@ test "fn reflection" {
       However right now it is hard coded to be a {#syntax#}u16{#endsyntax#}. See <a href="https://github.com/ziglang/zig/issues/786">#768</a>.
       </p>
       <p>
-      You can {#link|implicitly cast|Implicit Casts#} an error from a subset to its superset:
+      You can {#link|implicitly cast|Implicit Casts#} an error from a subset to a superset:
       </p>
       {#code_begin|test#}
 const std = @import("std");
diff --git a/std/c/darwin.zig b/std/c/darwin.zig
index 14a5baff5cc4b2fc1833442786d0049402bba6ad..f2e8120a0e8725b11f1e36d237aaaa910ede718e 100644
--- a/std/c/darwin.zig
+++ b/std/c/darwin.zig
@@ -37,7 +37,7 @@ const mach_hdr = if (@sizeOf(usize) == 8) mach_header_64 else mach_header;
 pub extern "c" var _mh_execute_header: mach_hdr = undefined;
 comptime {
     if (std.os.darwin.is_the_target) {
-        @export("__mh_execute_header", _mh_execute_header, .Weak);
+        @export("_mh_execute_header", _mh_execute_header, .Weak);
     }
 }
 
diff --git a/std/math.zig b/std/math.zig
index 96f38aca9fab42f30b4859a4f567a88148b4ab02..ac06a07953b25d45a0b9ebb494eafc19855b1956 100644
--- a/std/math.zig
+++ b/std/math.zig
@@ -482,7 +482,16 @@ fn testAbsInt() void {
     testing.expect((absInt(i32(10)) catch unreachable) == 10);
 }
 
-pub const absFloat = @import("fabs.zig").fabs;
+pub const absFloat = fabs;
+
+test "math.absFloat" {
+    testAbsFloat();
+    comptime testAbsFloat();
+}
+fn testAbsFloat() void {
+    testing.expect(absFloat(f32(-10.05)) == 10.05);
+    testing.expect(absFloat(f32(10.05)) == 10.05);
+}
 
 pub fn divTrunc(comptime T: type, numerator: T, denominator: T) !T {
     @setRuntimeSafety(false);