diff --git a/scripts/envs/audio-to-text b/scripts/envs/audio-to-text
index 3cfb1ef3..7e5361fe 100644
--- a/scripts/envs/audio-to-text
+++ b/scripts/envs/audio-to-text
@@ -1,3 +1,6 @@
+# all default common env var values are defined in scripts/envs/base file
+# in order to override a default common env var value and/or add a custom
+# env var used only for this sample you can list it here
 export APP_NAME="audio-to-text"
 export APP_DISPLAY_NAME="Audio to Text Application"
 export APP_DESC="Audio to Text Application example with AI enabled audio transcription"
diff --git a/scripts/envs/chatbot b/scripts/envs/chatbot
index 13fc35e3..5979a37d 100755
--- a/scripts/envs/chatbot
+++ b/scripts/envs/chatbot
@@ -1,3 +1,6 @@
+# all default common env var values are defined in scripts/envs/base file
+# in order to override a default common env var value and/or add a custom
+# env var used only for this sample you can list it here
 export APP_NAME="chatbot"
 export APP_DISPLAY_NAME="Chatbot Application"
 export APP_DESC="Chatbot Application example with LLM enabled chat applications"
diff --git a/scripts/envs/codegen b/scripts/envs/codegen
index 7f0683b5..7011de2c 100755
--- a/scripts/envs/codegen
+++ b/scripts/envs/codegen
@@ -1,3 +1,6 @@
+# all default common env var values are defined in scripts/envs/base file
+# in order to override a default common env var value and/or add a custom
+# env var used only for this sample you can list it here
 export APP_NAME="codegen"
 export APP_DISPLAY_NAME="Code Generation Application"
 export APP_DESC="Code Generation Application example that generate code in countless programming languages."
diff --git a/scripts/envs/object-detection b/scripts/envs/object-detection
index ea89e7fe..3652fb88 100755
--- a/scripts/envs/object-detection
+++ b/scripts/envs/object-detection
@@ -1,3 +1,6 @@
+# all default common env var values are defined in scripts/envs/base file
+# in order to override a default common env var value and/or add a custom
+# env var used only for this sample you can list it here
 export APP_NAME="object-detection"
 export APP_DISPLAY_NAME="Object Detection Application"
 export APP_DESC="AI enabled Object Detection Application example using DEtection TRansformer(DETR) model to detect objects in an image"