Update hyperlinks in readme

diff --git a/README.md b/README.md
index 33b9e82c734087abe09da9955742302f64f15e41..de462e5dfc308f1ca95dec482dbda2d2deedd444 100644 (file)
--- a/README.md
+++ b/README.md
@@ -528,13 +528,13 @@ of the following projects (no credit given, just fun experiments):
 [git-article]: https://eagain.net/articles/git-for-computer-scientists/
 [cmake]: https://cmake.org/
 [cmake-manual]: https://cmake.org/cmake/help/v3.21/
-[backtrace]: https://cmake.org/cmake/help/v3.21/
-[stack-article]: https://signalshore.github.io/blog/Stack-Frames-in-x86.html
-[stab]: https://sourceware.org/gdb/current/onlinedocs/stabs/Overview.html
+[backtrace]: https://sourceware.org/gdb/onlinedocs/gdb/Backtrace.html
+[stack-article]: https://signalshore.github.io/blog/2020-09-20-Stack-Frames-in-x86.html
+[stab]: https://sourceware.org/gdb/current/onlinedocs/stabs.html/Overview.html
 [linker]: https://sourceware.org/binutils/docs/ld/Scripts.html
 [bios]: https://github.com/qemu/qemu/tree/master/pc-bios
 [grub]: https://www.gnu.org/software/grub/
 [e820]: https://wiki.osdev.org/Detecting_Memory_(x86)#BIOS_Function:_INT_0x15.2C_EAX_.3D_0xE820
-[private-fork]: https://github.gatech.edu/pages/cs3210/CS3210-Fall2023//wiki/private-fork/
-[autograder-manual]: https://github.gatech.edu/pages/cs3210/CS3210-Fall2023//wiki/autograder/ 
+[private-fork]: https://github.gatech.edu/pages/cs3210-fall2023/course//wiki/private-fork/
+[autograder-manual]: https://github.gatech.edu/pages/cs3210-fall2023/course//wiki/autograder/ 
 [gradescope]: https://www.gradescope.com/courses/577124