diff --git a/docs/BuildPrerequisites.md b/docs/BuildPrerequisites.md
index 04dda68..cb5b1fe 100644
--- a/docs/BuildPrerequisites.md
+++ b/docs/BuildPrerequisites.md
@@ -4,7 +4,7 @@ Run the following commands to install build tools required by the PiPedal build.
 
     # install CMake
     sudo apt update
-    sudo apt install cmake ninja-build
+    sudo apt install -y cmake ninja-build
 
 The PiPedal build process also requires version 12 or later of `node.js`. Type `node --version` to see if you have a version 
 of `node.js` installed already. Otherwise run the following commands as root to install the v14.x lts version of `node.js`: 
@@ -22,10 +22,10 @@ with
 Run the following commands to install dependent libraries required by the PiPedal build.
 
     sudo apt update
-    sudo apt install liblilv-dev libboost-dev jackd2 libjack-jackd2-dev libnl-3-dev libnl-genl-3-dev libsystemd-dev catch
-    sudo apt install libasound2-dev jackd2 uuid-dev
-    sudo apt install libwebsocketpp-dev authbind
-    sudo apt install libavahi-client-dev
+    sudo apt install -y liblilv-dev libboost-dev jackd2 libjack-jackd2-dev libnl-3-dev libnl-genl-3-dev libsystemd-dev catch
+    sudo apt install -y libasound2-dev jackd2 uuid-dev
+    sudo apt install -y libwebsocketpp-dev authbind
+    sudo apt install -y libavahi-client-dev
 
 ### Installing Sources
 
@@ -36,6 +36,12 @@ Clone the rerdavies/pipdal package from github. Use the source control tools fro
    cd ~/src    # or whereever you keep your source repositories.
    git clone https://github.com/rerdavies/pipedal.git 
    
+In the project root, run the following commands to initialze and update pipedal submodules
+
+   cd ~/src/pipedal
+   git submodule init
+   git submodule update
+   
 Run the following command to install and configure React dependencies.
 
     cd ~/src/pipedal
diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index a528550..769b5c6 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -231,9 +231,9 @@ GEM
       jekyll-seo-tag (~> 2.1)
     minitest (5.15.0)
     multipart-post (2.1.1)
-    nokogiri (1.13.4-aarch64-linux)
+    nokogiri (1.13.6-aarch64-linux)
       racc (~> 1.4)
-    nokogiri (1.13.4-x86_64-linux)
+    nokogiri (1.13.6-x86_64-linux)
       racc (~> 1.4)
     octokit (4.22.0)
       faraday (>= 0.9)
diff --git a/docs/Installing.md b/docs/Installing.md
index d61f3ea..ad8b120 100644
--- a/docs/Installing.md
+++ b/docs/Installing.md
@@ -11,8 +11,10 @@ Install the package by running
 ```
   sudo apt update
   cd ~/Downloads  
-  sudo apt-get install ./pipedal_0.9.11_arm64.deb
+  sudo dpkg --install pipedal_0.9.11_arm64.deb
 ```
+On Raspberry Pi OS, if you have a graphical desktop installed, you can also install package by double-clicking on the downloaded package in the File Manager.
+
 
 After installing, follow the instructions in [Configuring PiPedal after Installation](Configuring.md).
 --------