diff --git a/examples/camera_streaming/camera_streaming.cpp b/examples/camera_streaming/camera_streaming.cpp
index 438de87..bb67cf2 100644
--- a/examples/camera_streaming/camera_streaming.cpp
+++ b/examples/camera_streaming/camera_streaming.cpp
@@ -88,12 +88,12 @@ int main(int argc, char** argv)
     fpsdk::common::app::StacktraceHelper stacktrace;
 #endif
 
-    // We need three things (see CamStreamParams):
+    // We need four things (see CamStreamParams):
     //
     // 1. The sensor (hostname, IP address)
     // 2. Which camera (CAM1, CAM2, ...)
     // 3. Which data (HIRES_VID, LORES_IMG, ...)
-    // 4. Throttle value
+    // 4. Throttle value (must be 1 for ..._VID, can be > 1 for ..._IMG)
     //
     if (argc != 5) {
         ERROR("Missing arguments!");
diff --git a/fpsdk_apps/CMakeLists.txt b/fpsdk_apps/CMakeLists.txt
index 35fdeab..a563109 100644
--- a/fpsdk_apps/CMakeLists.txt
+++ b/fpsdk_apps/CMakeLists.txt
@@ -12,6 +12,9 @@ project(fpsdk_apps
 )
 
 set(_unused "${FPSDK_BUILD_TESTING}") # suppress warning in some setups
+set(_unused "${FPSDK_USE_PROJ}") # suppress warning
+set(_unused "${FPSDK_USE_FFMPEG}") # suppress warning
+set(_unused "${FPSDK_USE_BZ2}") # suppress warning
 set(_unused "${CMAKE_C_COMPILER}") # suppress warning in some setups