Make error messages even better!

Change-Id: I72bd1eb1d526dc59833e5bc3c636171f7f9545af
diff --git a/libc/bionic/__fgets_chk.cpp b/libc/bionic/__fgets_chk.cpp
index 32b608e..7f6b067 100644
--- a/libc/bionic/__fgets_chk.cpp
+++ b/libc/bionic/__fgets_chk.cpp
@@ -49,7 +49,7 @@
     }
 
     if (((size_t) supplied_size) > dest_len_from_compiler) {
-        __fortify_chk_fail("fgets buffer overflow prevented", 0);
+        __fortify_chk_fail("fgets prevented write past end of buffer", 0);
     }
 
     return fgets(dest, supplied_size, stream);