reword the attribute documentation

Author: DanielKristofKiss

clang/include/clang/Basic/AttrDocs.td

@@ -5796,14 +5796,17 @@ declared entity. The entity must not have weak linkage; for example, in C++,
 it cannot be applied to a declaration if a definition at that location would be
 considered inline.
 
-Not all targets support this attribute. ELF target support depends on both the
-linker and runtime linker, and is available in at least lld 4.0 and later,
-binutils 2.20.1 and later, glibc v2.11.1 and later, and FreeBSD 9.1 and later.
-Mach-O targets support it, but with slightly different semantics: the resolver
-is run at first call, instead of at load time by the runtime linker. Windows on
-AArch64 the ``ifunc`` is replaced with global function pointer and the call is
-replaced by an indirect call. The pointer is initialized by a contructor that
-calls the resolver. Other targets currently do not support this attribute.
+Not all targets support this attribute:
+- ELF target support depends on both the linker and runtime linker, and is
+  available in at least lld 4.0 and later, binutils 2.20.1 and later, glibc
+  v2.11.1 and later, and FreeBSD 9.1 and later.
+- Mach-O targets support it, but with slightly different semantics: the resolver
+  is run at first call, instead of at load time by the runtime linker.
+- Windows target supports it on AArch64, but with different semantics: the
+  ``ifunc`` is replaced with a global function pointer, and the call is replaced
+  with an indirect call. The function pointer is initialized by a constructor
+  that calls the resolver.
+- Other targets currently do not support this attribute.
   }];
 }