Fix the stack bottom variable name in README

* README.md (The C Interface to the Allocator): Fix a typo
("GC_stackbottom").

diff --git a/README.md b/README.md
index c50ecd53ef5780a6b4c3e31b93ba928ffcb7854e..36172236bb403b720642590de07a53a488992558 100644 (file)
--- a/README.md
+++ b/README.md
@@ -263,7 +263,7 @@ Note that usually only `GC_malloc` is necessary.  `GC_clear_roots` and
 `GC_add_roots` calls may be required if the collector has to trace
 from nonstandard places (e.g. from dynamic library data areas on a
 machine on which the collector doesn't already understand them.)  On
-some machines, it may be desirable to set `GC_stacktop` to a good
+some machines, it may be desirable to set `GC_stackbottom` to a good
 approximation of the stack base.  (This enhances code portability on
 HP PA machines, since there is no good way for the collector to
 compute this value.)  Client code may include "gc.h", which defines