diff --git a/internal/conf/path.go b/internal/conf/path.go
index df06137f..a89719a2 100644
--- a/internal/conf/path.go
+++ b/internal/conf/path.go
@@ -494,6 +494,18 @@ func (pconf *Path) validate(
 			return fmt.Errorf("invalid 'rpiCameraAfSpeed' value")
 		}
 
+		switch pconf.RPICameraProfile {
+		case "baseline", "main", "high":
+		default:
+			return fmt.Errorf("invalid 'rpiCameraProfile' value")
+		}
+
+		switch pconf.RPICameraLevel {
+		case "4.0", "4.1", "4.2":
+		default:
+			return fmt.Errorf("invalid 'rpiCameraLevel' value")
+		}
+
 		if !pconf.RPICameraSecondary {
 			switch pconf.RPICameraCodec {
 			case "auto", "hardwareH264", "softwareH264":
diff --git a/mediamtx.yml b/mediamtx.yml
index b5b33c6e..890597c6 100644
--- a/mediamtx.yml
+++ b/mediamtx.yml
@@ -562,22 +562,20 @@ pathDefaults:
   # values: normal, short, long, custom.
   rpiCameraExposure: normal
   # Auto-white-balance mode.
-  # values: auto, incandescent, tungsten, fluorescent, indoor, daylight, cloudy, custom.
+  # (auto, incandescent, tungsten, fluorescent, indoor, daylight, cloudy or custom).
   rpiCameraAWB: auto
   # Auto-white-balance fixed gains. This can be used in place of rpiCameraAWB.
   # format: [red,blue].
   rpiCameraAWBGains: [0, 0]
-  # Denoise operating mode.
-  # values: off, cdn_off, cdn_fast, cdn_hq.
+  # Denoise operating mode (off, cdn_off, cdn_fast, cdn_hq).
   rpiCameraDenoise: "off"
   # Fixed shutter speed, in microseconds.
   rpiCameraShutter: 0
-  # Metering mode of the AEC/AGC algorithm.
-  # values: centre, spot, matrix, custom.
+  # Metering mode of the AEC/AGC algorithm (centre, spot, matrix or custom).
   rpiCameraMetering: centre
   # Fixed gain.
   rpiCameraGain: 0
-  # EV compensation of the image [-10, 10].
+  # EV compensation of the image in range [-10, 10].
   rpiCameraEV: 0
   # Region of interest, in format x,y,width,height (all normalized between 0 and 1).
   rpiCameraROI:
@@ -590,14 +588,11 @@ pathDefaults:
   rpiCameraMode:
   # frames per second.
   rpiCameraFPS: 30
-  # Autofocus mode.
-  # values: auto, manual, continuous.
+  # Autofocus mode (auto, manual or continuous).
   rpiCameraAfMode: continuous
-  # Autofocus range.
-  # values: normal, macro, full.
+  # Autofocus range (normal, macro or full).
   rpiCameraAfRange: normal
-  # Autofocus speed.
-  # values: normal, fast.
+  # Autofocus speed (normal or fast).
   rpiCameraAfSpeed: normal
   # Lens position (for manual autofocus only), will be set to focus to a specific distance
   # calculated by the following formula: d = 1 / value
@@ -605,7 +600,7 @@ pathDefaults:
   #           0.5 moves the lens to focus on objects 2m away.
   #           2 moves the lens to focus on objects 50cm away.
   rpiCameraLensPosition: 0.0
-  # Specifies the autofocus window, in the form x,y,width,height where the coordinates
+  # Autofocus window, in the form x,y,width,height where the coordinates
   # are given as a proportion of the entire image.
   rpiCameraAfWindow:
   # Manual flicker correction period, in microseconds.
@@ -615,15 +610,16 @@ pathDefaults:
   # Text that is printed on each frame.
   # format is the one of the strftime() function.
   rpiCameraTextOverlay: '%Y-%m-%d %H:%M:%S - MediaMTX'
-  # Codec. Available values: auto, hardwareH264, softwareH264, mjpeg.
+  # Codec (auto, hardwareH264, softwareH264 or mjpeg).
+  # When auto, hardwareH264 is used if the Raspberry has a H264 encoder, otherwise softwareH264.
   rpiCameraCodec: auto
-  # Period between H264 IDR frames.
+  # Period between IDR frames (when codec is hardwareH264 or softwareH264).
   rpiCameraIDRPeriod: 60
-  # H264 Bitrate.
+  # Bitrate (when codec is hardwareH264 or softwareH264).
   rpiCameraBitrate: 5000000
-  # H264 profile.
+  # H264 profile (baseline, main or high).
   rpiCameraProfile: main
-  # H264 level.
+  # H264 level (4.0, 4.1 or 4.2).
   rpiCameraLevel: '4.1'
   # JPEG quality.
   rpiCameraJPEGQuality: 60