diff --git a/subjects/grouping.en.md b/subjects/grouping.en.md
index 0cb783c0..4d83c442 100644
--- a/subjects/grouping.en.md
+++ b/subjects/grouping.en.md
@@ -6,7 +6,7 @@ Write a program that receives two strings and replicates the use of brackets in
 
 The program should handle the "`|`" operator, that searches for both strings on each side of the operator.
 
-The output of the program should be the results of the regular expression by order of appearence in the string, being themselves identified by a number.
+The output of the program should be the results of the regular expression by order of appearance in the string, being themselves identified by a number.
 
 In case the regular expression is not valid, the last argument is empty or there are no matches the program returns a newline ("`\n`").
 
@@ -20,7 +20,7 @@ student@ubuntu:~/[[ROOT]]/test$ ./regbrackets "(a)" "I'm heavy, jumpsuit is on s
 1: heavy
 2: steady
 3: heavy
-student@ubuntu:~/[[ROOT]]/test$ ./regbrackets "(e|n)" "I currently have 4 windows open up… and I don’t know why."
+student@ubuntu:~/[[ROOT]]/test$ ./regbrackets "(e|n)" "I currently have 4 windows opened up… and I don’t know why."
 1: currently
 2: currently
 3: have