diff --git a/src/beauty/beauty-demo.cpp b/src/beauty/beauty-demo.cpp
index a86bf2f02..57c942e3c 100644
--- a/src/beauty/beauty-demo.cpp
+++ b/src/beauty/beauty-demo.cpp
@@ -188,7 +188,7 @@ int main(int argc, char **argv) {
     facemark->loadModel("assets/lbfmodel.yaml");
 
     cv::VideoCapture capture(argv[1], cv::CAP_FFMPEG, { cv::CAP_PROP_HW_DEVICE, VA_HW_DEVICE_INDEX, cv::CAP_PROP_HW_ACCELERATION, cv::VIDEO_ACCELERATION_VAAPI, cv::CAP_PROP_HW_ACCELERATION_USE_OPENCL, 1 });
-    //Copy OpenCL Context for VAAPI. Must be called right after VideoWriter/VideoCapture initialization.
+    //Copy OpenCL Context for VAAPI. Must be called right after first VideoWriter/VideoCapture initialization.
     va::copy();
 
     if (!capture.isOpened()) {
diff --git a/src/font/font-demo.cpp b/src/font/font-demo.cpp
index 2ccbc9bcd..1a7e8d842 100644
--- a/src/font/font-demo.cpp
+++ b/src/font/font-demo.cpp
@@ -34,7 +34,7 @@ int main(int argc, char **argv) {
             cv::VIDEOWRITER_PROP_HW_ACCELERATION_USE_OPENCL, 1
     });
 
-    //Copy OpenCL Context for VAAPI. Must be called right after VideoWriter/VideoCapture initialization.
+    //Copy OpenCL Context for VAAPI. Must be called right after first VideoWriter/VideoCapture initialization.
     va::copy();
 
     //If we render offscreen we don't need x11.
@@ -139,7 +139,7 @@ int main(int argc, char **argv) {
         //Transfer buffer ownership back to OpenGL.
         gl::release_to_gl(frameBuffer);
 
-        //If x11 is enabled it displays the framebuffer in the native window. returns false if the window was closed.
+        //If x11 is enabled it displays the framebuffer in the native window. Returns false if the window was closed.
         if(!gl::display())
             break;
 
diff --git a/src/nanovg/nanovg-demo.cpp b/src/nanovg/nanovg-demo.cpp
index 6bc0e0a24..880ff4626 100644
--- a/src/nanovg/nanovg-demo.cpp
+++ b/src/nanovg/nanovg-demo.cpp
@@ -131,7 +131,7 @@ int main(int argc, char **argv) {
             cv::CAP_PROP_HW_ACCELERATION_USE_OPENCL, 1
     });
 
-    //Copy OpenCL Context for VAAPI. Must be called right after VideoWriter/VideoCapture initialization.
+    //Copy OpenCL Context for VAAPI. Must be called right after first VideoWriter/VideoCapture initialization.
     va::copy();
 
     // Check if we succeeded
@@ -216,7 +216,7 @@ int main(int argc, char **argv) {
         //Transfer buffer ownership back to OpenGL
         gl::release_to_gl(frameBuffer);
 
-        //if x11 is enabled it displays the framebuffer in the native window. returns false if the window was closed.
+        //if x11 is enabled it displays the framebuffer in the native window. Returns false if the window was closed.
         if(!gl::display())
             break;
 
diff --git a/src/optflow/optflow-demo.cpp b/src/optflow/optflow-demo.cpp
index 2ab467f65..6c9ddf86b 100644
--- a/src/optflow/optflow-demo.cpp
+++ b/src/optflow/optflow-demo.cpp
@@ -189,7 +189,7 @@ int main(int argc, char **argv) {
             cv::CAP_PROP_HW_ACCELERATION_USE_OPENCL, 1
     });
 
-    //Copy OpenCL Context for VAAPI. Must be called right after VideoWriter/VideoCapture initialization.
+    //Copy OpenCL Context for VAAPI. Must be called right after first VideoWriter/VideoCapture initialization.
     va::copy();
 
     if (!capture.isOpened()) {
@@ -250,7 +250,7 @@ int main(int argc, char **argv) {
         cv::cvtColor(frameBuffer, videoFrame, cv::COLOR_BGRA2RGB);
         gl::release_to_gl(frameBuffer);
 
-        //if x11 is enabled it displays the framebuffer in the native window. returns false if the window was closed.
+        //if x11 is enabled it displays the framebuffer in the native window. Returns false if the window was closed.
         if(!gl::display())
             break;
 
diff --git a/src/tetra/tetra-demo.cpp b/src/tetra/tetra-demo.cpp
index 812a7f76f..b7711362b 100644
--- a/src/tetra/tetra-demo.cpp
+++ b/src/tetra/tetra-demo.cpp
@@ -90,7 +90,7 @@ int main(int argc, char **argv) {
             cv::VIDEOWRITER_PROP_HW_ACCELERATION_USE_OPENCL, 1
     });
 
-    //Copy OpenCL Context for VAAPI. Must be called right after VideoWriter/VideoCapture initialization.
+    //Copy OpenCL Context for VAAPI. Must be called right after first VideoWriter/VideoCapture initialization.
     va::copy();
 
     //If we are rendering offscreen we don't need x11
@@ -128,7 +128,7 @@ int main(int argc, char **argv) {
         //Release the frame buffer for use by OpenGL
         gl::release_to_gl(frameBuffer);
 
-        //if x11 is enabled it displays the framebuffer in the native window. returns false if the window was closed.
+        //if x11 is enabled it displays the framebuffer in the native window. Returns false if the window was closed.
         if(!gl::display())
             break;
 
diff --git a/src/video/video-demo.cpp b/src/video/video-demo.cpp
index b7e64de4f..6c1c1ab5e 100644
--- a/src/video/video-demo.cpp
+++ b/src/video/video-demo.cpp
@@ -95,7 +95,7 @@ int main(int argc, char **argv) {
             cv::CAP_PROP_HW_ACCELERATION_USE_OPENCL, 1
     });
 
-    //Copy OpenCL Context for VAAPI. Must be called right after VideoWriter/VideoCapture initialization.
+    //Copy OpenCL Context for VAAPI. Must be called right after first VideoWriter/VideoCapture initialization.
     va::copy();
 
     if (!capture.isOpened()) {
@@ -167,7 +167,7 @@ int main(int argc, char **argv) {
         //Release the frame buffer for use by OpenGL
         gl::release_to_gl(frameBuffer);
 
-        //if x11 is enabled it displays the framebuffer in the native window. returns false if the window was closed.
+        //if x11 is enabled it displays the framebuffer in the native window. Returns false if the window was closed.
         if(!gl::display())
             break;