trivial changes

concepts/kernel-boot-parameters-modify-introduction.xml

@@ -33,15 +33,27 @@
   <section xml:id="kernel-boot-parameters-modify-definition">
     <title>What are kernel boot parameters?</title>
     <para>
-      Kernel boot parameters are configurations passed to the &productname; kernel during the boot
-      process for &grub;, instructing it on how to configure certain features and make hem behave
-      in the intended manner.
+      Kernel boot parameters are configurations passed to the &productname; kernel during the boot process
+      for &grub;, instructing it on how to configure certain features and make them behave in the
+      intended manner. You can modify these configurations either temporarily or permanently,
+      depending on whether you want the changes to persist even after the next reboot.
+    </para>
+    <para>
+     If you want changes in the system to last only for the upcoming session session
+     after the boot, you can temporarily modify the kernel boot parameters. For more information,
+     see the section <xref linkend="kernel-boot-parameters-modify-temporary"></xref>.
+    </para>
+    <para>
+     However, if you want the
+     changes to persist till your next modification, you can permanently modify the kernel boot
+     parameters. For more information, see the section <xref
+     linkend="kernel-boot-parameters-modify-permanent"></xref>. You can make permanent changes
     </para>
   </section>
   <section xml:id="kernel-boot-parameters-modify-examples">
     <title>Examples of commonly modified kernel boot parameters</title>
     <para>
-      There are many different kernel parameters that you can optionally modify to customize your
+      There are several kernel parameters that you can optionally modify to customize your
       boot process. Based on you your use case, you can consider few of the most commonly modified
       kernel boot parameters:
     </para>