Fix broken link in Readme

Author: Babkock

README.org

@@ -30,11 +30,12 @@ Some programs utilize command-line arguments. Remember, if you ever see =int mai
 - [[https://github.com/Babkock/learning/blob/master/point/linklist.c][Linked list]] with [[https://github.com/Babkock/learning/blob/master/point/linkpush.c][push]] and [[https://github.com/Babkock/learning/blob/master/point/linkpop.c][pop]] functions
 - [[https://github.com/Babkock/learning/blob/master/etc/curses.c][Simple Ncurses program]] that writes vertically in the terminal
 - [[https://github.com/Babkock/learning/blob/master/thread/threads.c][Threads]] with [[https://github.com/Babkock/learning/blob/master/thread/mutex.c][mutex]]
-- [[https://github.com/Babkock/learning/blob/master/point/hashmap.c][Hash map]] and [[https://github.com/Babkock/learning/blob/master/thread/hashtable.c][hash table]]
+- [[https://github.com/Babkock/learning/blob/master/point/hashmap.c][Hash map]] and [[https://github.com/Babkock/learning/blob/master/point/hashtable.c][hash table]]
 - [[https://github.com/Babkock/learning/blob/master/time.c][Time calculator]]
 - [[https://github.com/Babkock/learning/blob/master/sys/shell.c][Simple shell]]
-- [[https://github.com/Babkock/learning/-/blob/master/sys/symlink.c][Symbolic links]]
+- [[https://github.com/Babkock/learning/blob/master/sys/symlink.c][Symbolic links]]
 - [[https://github.com/Babkock/learning/blob/master/bits.c][Bitwise operations]]
 - [[https://github.com/Babkock/learning/blob/master/point/bitfield.c][Bit field]]
 
 Thanks for checking these out.
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