diff --git a/posix_shell.md b/posix_shell.md
index 14a77cc..5162533 100644
--- a/posix_shell.md
+++ b/posix_shell.md
@@ -198,7 +198,7 @@ the same as their dedicated counterparts.
 - `chown` (change owner) change file ownership
 - `df` (disk free) show available disk space
 - `du` (disk usage) show how much space a given file or directoy is using
-- `vi` unholy abommination of a text editor :)
+- `vi` unholy abomination of a text editor :)
 - `more` print only a screen worth of text at a time and wait so you have the time to read it
 
 ## Commonly Used Special Files