From 62fadf18d92c7aab0e17f2b64986bb0828b7b4cf Mon Sep 17 00:00:00 2001
From: Dylan Araps <dylan.araps@gmail.com>
Date: Wed, 25 Sep 2019 09:55:37 +0300
Subject: [PATCH] docs: update

---
 pfetch | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pfetch b/pfetch
index 429fe33..e25da8a 100755
--- a/pfetch
+++ b/pfetch
@@ -133,6 +133,9 @@ get_os() {
             # 'IFS' is set to '<>' to enable splitting between the
             # keys and a second 'read' is used to operate on the
             # next line directly after a match.
+            #
+            # '_' is used to nullify a field. '_ _ line _' basically
+            # says "populate $line with the third field's contents".
             while IFS='<>' read -r _ _ line _; do
                 case $line in
                     # To avoid duplicating code, we use the name of