typo

Author: DininduSenanayake

docs/1_overview.md

@@ -2,9 +2,13 @@
 
 !!! graduation-cap "Overall objective of the workshop"
 
-    * Introduce few "intermediate" level linux tools, trips and tricks which can be incorporated to routine tasks while dealing with Biological data formats (or any file format)
-    * It may feel like the workshops lack a story (apologies in advance) but, 
+    * Introduce few "intermediate" level linux tools, tips and tricks which can be incorporated to routine tasks while dealing with Biological data formats (or any file format)
+    * It may feels like the workshops lack a story (apologies in advance) but, 
         * Methods taught here will be used in upcoming "Advanced Shell for Bioinformatics" to design "shell" based workflows (both serial and parallel)
         * And some tools are already being used in other advanced level workshops where this material can be used as a reference
 
-    <center>![image](./images/penguin-student.png){width="300"}</center>
+    <center>![image](./images/penguin-student.png){width="300"}</center>
+
+    ^^NOTE^^ - some commands will have the following sub-header "Why is this useful" to list few instances where a  specific tool/command can be used in a Bioinformatics workflow
+
+    ??? clipboard-question "Why is this useful ?"