Fix typo.

pkill-P-full-example.sh

@@ -4,7 +4,7 @@ set -e
 kill_child_jobs() {
     echo "In kill_child_jobs()..."
     # From https://stackoverflow.com/a/23336595
-    # Kills all child proceses, not just jobs.
+    # Kills all child processes, not just jobs.
     pkill -P $$
 }
 cleanup() {

pkill-P.sh

@@ -1,6 +1,6 @@
 kill_child_jobs() {
     echo "In kill_child_jobs()..."
     # From https://stackoverflow.com/a/23336595
-    # Kills all child proceses, not just jobs.
+    # Kills all child processes, not just jobs.
     pkill -P $$
 }