diff --git a/src/osd/modules/render/draw13.h b/src/osd/modules/render/draw13.h
index 7c5716a80b5..26a6bb565bf 100644
--- a/src/osd/modules/render/draw13.h
+++ b/src/osd/modules/render/draw13.h
@@ -145,7 +145,7 @@ struct copy_info_t
 	copy_info_t           *next;
 };
 
-/* sdl_info is the information about SDL for the current screen */
+/* renderer_sdl2 is the information about SDL for the current screen */
 class renderer_sdl2 : public osd_renderer
 {
 public:
diff --git a/src/osd/modules/render/drawbgfx.h b/src/osd/modules/render/drawbgfx.h
index 72110ba58bd..e7e648c27d1 100644
--- a/src/osd/modules/render/drawbgfx.h
+++ b/src/osd/modules/render/drawbgfx.h
@@ -30,7 +30,7 @@ class bgfx_view;
 class osd_options;
 class avi_write;
 
-/* sdl_info is the information about SDL for the current screen */
+/* renderer_bgfx is the information about BGFX for the current screen */
 class renderer_bgfx : public osd_renderer, public slider_dirty_notifier
 {
 public:
diff --git a/src/osd/modules/render/drawd3d.h b/src/osd/modules/render/drawd3d.h
index 049b2c25ae3..92923904d77 100644
--- a/src/osd/modules/render/drawd3d.h
+++ b/src/osd/modules/render/drawd3d.h
@@ -48,7 +48,7 @@ struct d3d_base
 class shaders;
 struct hlsl_options;
 
-/* renderer is the information about Direct3D for the current screen */
+/* renderer_d3d9 is the information about Direct3D for the current screen */
 class renderer_d3d9 : public osd_renderer, public slider_dirty_notifier
 {
 public:
diff --git a/src/osd/modules/render/drawgdi.h b/src/osd/modules/render/drawgdi.h
index 9b9f7aac049..49d05c18daa 100644
--- a/src/osd/modules/render/drawgdi.h
+++ b/src/osd/modules/render/drawgdi.h
@@ -24,6 +24,7 @@
 //  TYPE DEFINITIONS
 //============================================================
 
+/* renderer_gdi is the information for the current screen */
 class renderer_gdi : public osd_renderer
 {
 public:
@@ -46,7 +47,6 @@ public:
 	virtual void toggle_fsfx() override {};
 
 private:
-	/* gdi_info is the information for the current screen */
 	BITMAPINFO              m_bminfo;
 	uint8_t *                 m_bmdata;
 	size_t                  m_bmsize;
diff --git a/src/osd/modules/render/drawogl.h b/src/osd/modules/render/drawogl.h
index 8bfd2ba1f50..5444f203141 100644
--- a/src/osd/modules/render/drawogl.h
+++ b/src/osd/modules/render/drawogl.h
@@ -91,7 +91,7 @@ public:
 
 };
 
-/* sdl_info is the information about SDL for the current screen */
+/* renderer_ogl is the information about OpenGL for the current screen */
 class renderer_ogl : public osd_renderer
 {
 public:
diff --git a/src/osd/modules/render/drawsdl.h b/src/osd/modules/render/drawsdl.h
index 51194c8496f..6c0b51c0663 100644
--- a/src/osd/modules/render/drawsdl.h
+++ b/src/osd/modules/render/drawsdl.h
@@ -17,7 +17,7 @@
 
 #include <SDL2/SDL.h>
 
-/* renderer_sdl2 is the information about SDL for the current screen */
+/* renderer_sdl1 is the information about SDL for the current screen */
 class renderer_sdl1 : public osd_renderer
 {
 public: