diff --git a/script/include/global_header.inc.sh b/script/include/global_header.inc.sh
index 67a048b2..443b5c03 100755
--- a/script/include/global_header.inc.sh
+++ b/script/include/global_header.inc.sh
@@ -1,7 +1,5 @@
-#!/bin/bash
-
-# scriptz/global_header.inc: Any basic things that should be executed at the
-#                            beginning of any and every script
+# global_header.inc: Any basic things that should be executed at the
+#                    beginning of any and every script
 
 # If any command fails, immediately exit the script
 set -e
diff --git a/script/include/helper_functions.inc.sh b/script/include/helper_functions.inc.sh
index 18968aae..3c427a0f 100644
--- a/script/include/helper_functions.inc.sh
+++ b/script/include/helper_functions.inc.sh
@@ -1,10 +1,9 @@
-#!/bin/bash
-
 # helper_functions.inc.sh: General helper functions
 
 # Check pip to see if the given package is installed
 # (returns 0 if installed, 2 if not installed)
 check_pip_for () {
+  # Use 'pip list' to see if the requested package is already installed
   return $(pip list --format=columns --disable-pip-version-check | \
 	  grep -Fe "${1}" >/dev/null 2>&1)
 }
diff --git a/script/include/setup_functions.inc.sh b/script/include/setup_functions.inc.sh
index 7c4a6741..50b12af3 100644
--- a/script/include/setup_functions.inc.sh
+++ b/script/include/setup_functions.inc.sh
@@ -1,5 +1,3 @@
-#!/bin/bash
-
 # setup_functions.inc.sh: Functions used by the setup script
 
 install_pipenv() {