diff --git a/forth.html.markdown b/forth.html.markdown
index b4a5581b..55d755b2 100644
--- a/forth.html.markdown
+++ b/forth.html.markdown
@@ -54,7 +54,7 @@ Forth, but most of what is written here should work elsewhere.
 3 dup -          \ duplicate the top item (1st now equals 2nd): 3 - 3
 2 5 swap /       \ swap the top with the second element:        5 / 2
 6 4 5 rot .s     \ rotate the top 3 elements:                   4 5 6
-4 0 drop 2 /     \ remove the top item (dont print to screen):  4 / 2
+4 0 drop 2 /     \ remove the top item (don't print to screen):  4 / 2
 1 2 3 nip .s     \ remove the second item (similar to drop):    1 3
 
 \ ---------------------- More Advanced Stack Manipulation ----------------------