diff --git a/exercises/practice/error-handling/.docs/instructions.append.md b/exercises/practice/error-handling/.docs/instructions.append.md
index f7c8e93d..55f05857 100644
--- a/exercises/practice/error-handling/.docs/instructions.append.md
+++ b/exercises/practice/error-handling/.docs/instructions.append.md
@@ -12,5 +12,5 @@ This is different from passing no arguments at all.
 
 `./program`
 
-If your program is run with exactly one argument (even if it is an empty string), treat is as a person's name and print a greeting message.
+If your program is run with exactly one argument (even if it is an empty string), treat it as a person's name and print a greeting message.
 If it is run with zero arguments or more than one argument, print an error message and exit with a non-zero status.