diff --git a/src/5.advanced_lighting/6.hdr/hdr.cpp b/src/5.advanced_lighting/6.hdr/hdr.cpp
index db6b1a6..a7b96ea 100644
--- a/src/5.advanced_lighting/6.hdr/hdr.cpp
+++ b/src/5.advanced_lighting/6.hdr/hdr.cpp
@@ -104,7 +104,7 @@ int main()
     GLuint colorBuffer;
     glGenTextures(1, &colorBuffer);
     glBindTexture(GL_TEXTURE_2D, colorBuffer);
-    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB16F, SCR_WIDTH, SCR_HEIGHT, 0, GL_RGB, GL_FLOAT, NULL);
+    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F, SCR_WIDTH, SCR_HEIGHT, 0, GL_RGBA, GL_FLOAT, NULL);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
     // - Create depth buffer (renderbuffer)
@@ -333,7 +333,7 @@ void Do_Movement()
         keysPressed[GLFW_KEY_SPACE] = true;
     }
 
-    // Change parallax height scale
+    // Change exposure of the scene's HDR camera
     if (keys[GLFW_KEY_Q])
         exposure -= 0.5 * deltaTime;
     else if (keys[GLFW_KEY_E])
diff --git a/src/5.advanced_lighting/8.deferred_shading/deferred_shading.cpp b/src/5.advanced_lighting/8.deferred_shading/deferred_shading.cpp
index 6fdfc7a..33a1623 100644
--- a/src/5.advanced_lighting/8.deferred_shading/deferred_shading.cpp
+++ b/src/5.advanced_lighting/8.deferred_shading/deferred_shading.cpp
@@ -141,7 +141,7 @@ int main()
     // - Color + Specular color buffer
     glGenTextures(1, &gAlbedoSpec);
     glBindTexture(GL_TEXTURE_2D, gAlbedoSpec);
-    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, SCR_WIDTH, SCR_HEIGHT, 0, GL_RGBA, GL_FLOAT, NULL);
+    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, SCR_WIDTH, SCR_HEIGHT, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
     glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT2, GL_TEXTURE_2D, gAlbedoSpec, 0);
@@ -230,6 +230,9 @@ int main()
         // 2.5. Copy content of geometry's depth buffer to default framebuffer's depth buffer
         glBindFramebuffer(GL_READ_FRAMEBUFFER, gBuffer);
         glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0); // Write to default framebuffer
+		// blit to default framebuffer. Note that this may or may not work as the internal formats of both the FBO and default framebuffer have to match.
+		// the internal formats are implementation defined. This works on all of my systems, but if it doesn't on yours you'll likely have to write to the 		
+		// depth buffer in another stage (or somehow see to match the default framebuffer's internal format with the FBO's internal format).
         glBlitFramebuffer(0, 0, SCR_WIDTH, SCR_HEIGHT, 0, 0, SCR_WIDTH, SCR_HEIGHT, GL_DEPTH_BUFFER_BIT, GL_NEAREST);
         glBindFramebuffer(GL_FRAMEBUFFER, 0);