diff --git a/applications/main/application.fam b/applications/main/application.fam
index c8884f934..43aea2e5d 100644
--- a/applications/main/application.fam
+++ b/applications/main/application.fam
@@ -18,19 +18,20 @@ App(
     ],
 )
 
+# Enable apps that you need in DEBUG firmware here:
 App(
     appid="main_apps_default",
     name="Basic applications for main menu",
     apptype=FlipperAppType.METAPACKAGE,
     provides=[
-        #"gpio",
-        #"ibutton",
-        #"infrared",
+        # "gpio",
+        # "ibutton",
+        # "infrared",
         "lfrfid",
-        "nfc",
+        # "nfc",
         "subghz",
-        #"bad_usb",
-        #"u2f",
+        # "bad_usb",
+        # "u2f",
         "archive",
     ],
 )
diff --git a/documentation/HowToBuild.md b/documentation/HowToBuild.md
index 80b93b1c3..76830063f 100644
--- a/documentation/HowToBuild.md
+++ b/documentation/HowToBuild.md
@@ -31,6 +31,9 @@ Check out `documentation/fbt.md` for details on building and flashing firmware.
 
 ### Compile everything for development
 
+Edit this file to enable/disable Main apps that you need in DEBUG mode, flash space doesn't allows us to fit them all in DEBUG currently
+- `applications/main/application.fam`
+
 ```sh
 ./fbt FIRMWARE_APP_SET=debug_pack updater_package
 ```
@@ -52,6 +55,9 @@ Check out `documentation/fbt.md` for details on building and flashing firmware.
 
 ### Compile everything for development
 
+Edit this file to enable/disable Main apps that you need in DEBUG mode, flash space doesn't allows us to fit them all in DEBUG currently
+- `applications/main/application.fam`
+
 ```sh
 ./fbt.cmd FIRMWARE_APP_SET=debug_pack updater_package
 ```