diff --git a/pcsx2/Counters.cpp b/pcsx2/Counters.cpp
index 5cc8d5f502..7cdc70cfac 100644
--- a/pcsx2/Counters.cpp
+++ b/pcsx2/Counters.cpp
@@ -258,8 +258,8 @@ static const char* ReportVideoMode()
 	case GS_VideoMode::DVD_NTSC:     return "DVD NTSC";
 	case GS_VideoMode::DVD_PAL:      return "DVD PAL";
 	case GS_VideoMode::VESA:         return "VESA";
-	case GS_VideoMode::HDTV_480P:    return "HDTV 480p";
-	case GS_VideoMode::HDTV_576P:    return "HDTV 576p";
+	case GS_VideoMode::SDTV_480P:    return "SDTV 480p";
+	case GS_VideoMode::SDTV_576P:    return "SDTV 576p";
 	case GS_VideoMode::HDTV_720P:    return "HDTV 720p";
 	case GS_VideoMode::HDTV_1080I:   return "HDTV 1080i";
 	case GS_VideoMode::HDTV_1080P:   return "HDTV 1080p";
@@ -271,7 +271,7 @@ Fixed100 GetVerticalFrequency()
 {
 	switch (gsVideoMode)
 	{
-	case GS_VideoMode::Uninitialized: // SYSCALL instruction hasn't executed yet, give some temporary values.
+	case GS_VideoMode::Uninitialized: // SetGsCrt hasn't executed yet, give some temporary values.
 		return 60;
 	case GS_VideoMode::PAL:
 	case GS_VideoMode::DVD_PAL:
@@ -279,12 +279,12 @@ Fixed100 GetVerticalFrequency()
 	case GS_VideoMode::NTSC:
 	case GS_VideoMode::DVD_NTSC:
 		return EmuConfig.GS.FramerateNTSC;
-	case GS_VideoMode::HDTV_480P:
+	case GS_VideoMode::SDTV_480P:
 		return 59.94;
 	case GS_VideoMode::HDTV_1080P:
 	case GS_VideoMode::HDTV_1080I:
-	case GS_VideoMode::HDTV_576P:
 	case GS_VideoMode::HDTV_720P:
+	case GS_VideoMode::SDTV_576P:
 	case GS_VideoMode::VESA:
 		return 60;
 	default:
@@ -326,10 +326,10 @@ u32 UpdateVSyncRate()
 		if (!gsIsInterlaced) scanlines += 1;
 		break;
 
-	case GS_VideoMode::HDTV_480P:
+	case GS_VideoMode::SDTV_480P:
+	case GS_VideoMode::SDTV_576P:
 	case GS_VideoMode::HDTV_1080P:
 	case GS_VideoMode::HDTV_1080I:
-	case GS_VideoMode::HDTV_576P:
 	case GS_VideoMode::HDTV_720P:
 	case GS_VideoMode::VESA:
 		scanlines = SCANLINES_TOTAL_NTSC;
diff --git a/pcsx2/GS.h b/pcsx2/GS.h
index 5056deea60..577f53e879 100644
--- a/pcsx2/GS.h
+++ b/pcsx2/GS.h
@@ -260,8 +260,8 @@ enum class GS_VideoMode : int
 	NTSC,
 	PAL,
 	VESA,
-	HDTV_480P,
-	HDTV_576P,
+	SDTV_480P,
+	SDTV_576P,
 	HDTV_720P,
 	HDTV_1080I,
 	HDTV_1080P,
diff --git a/pcsx2/R5900OpcodeImpl.cpp b/pcsx2/R5900OpcodeImpl.cpp
index ca814c6a88..b66a679e2f 100644
--- a/pcsx2/R5900OpcodeImpl.cpp
+++ b/pcsx2/R5900OpcodeImpl.cpp
@@ -926,10 +926,10 @@ void SYSCALL()
 						case 0x4A: mode = "VESA 1280x1024 @ 63.981"; gsSetVideoMode(GS_VideoMode::VESA); break;
 						case 0x4B: mode = "VESA 1280x1024 @ 79.976"; gsSetVideoMode(GS_VideoMode::VESA); break;
 
-						case 0x50: mode = "HDTV   720x480 @ 59.94"; gsSetVideoMode(GS_VideoMode::HDTV_480P); break;
+						case 0x50: mode = "SDTV   720x480 @ 59.94"; gsSetVideoMode(GS_VideoMode::SDTV_480P); break;
 						case 0x51: mode = "HDTV 1920x1080 @ 60.00"; gsSetVideoMode(GS_VideoMode::HDTV_1080I); break;
 						case 0x52: mode = "HDTV  1280x720 @ ??.???"; gsSetVideoMode(GS_VideoMode::HDTV_720P); break;
-						case 0x53: mode = "HDTV   768x576 @ ??.???"; gsSetVideoMode(GS_VideoMode::HDTV_576P); break;
+						case 0x53: mode = "SDTV   768x576 @ ??.???"; gsSetVideoMode(GS_VideoMode::SDTV_576P); break;
 						case 0x54: mode = "HDTV 1920x1080 @ ??.???"; gsSetVideoMode(GS_VideoMode::HDTV_1080P); break;
 
 						case 0x72: mode = "DVD NTSC 640x448 @ ??.???"; gsSetVideoMode(GS_VideoMode::DVD_NTSC); break;
diff --git a/plugins/GSdx/GS.h b/plugins/GSdx/GS.h
index eeeb8fcab2..db9e41ee8e 100644
--- a/plugins/GSdx/GS.h
+++ b/plugins/GSdx/GS.h
@@ -1411,9 +1411,9 @@ enum class GSVideoMode : uint8
 	NTSC,
 	PAL,
 	VESA,
-	DTV_480P,
-	DTV_720P,
-	DTV_1080I
+	SDTV_480P,
+	HDTV_720P,
+	HDTV_1080I
 };
 
 // Ordering was done to keep compatibility with older ini file.
diff --git a/plugins/GSdx/GSState.cpp b/plugins/GSdx/GSState.cpp
index 79593b17c2..72d7d6c56c 100644
--- a/plugins/GSdx/GSState.cpp
+++ b/plugins/GSdx/GSState.cpp
@@ -375,6 +375,8 @@ bool GSState::isinterlaced()
 GSVideoMode GSState::GetVideoMode()
 {
 	// TODO: Get confirmation of videomode from SYSCALL ? not necessary but would be nice.
+	// Other videomodes can't be detected on the plugin side without the help of the data from core
+	// You can only identify a limited number of video modes based on the info from CRTC registers.
 
 	GSVideoMode videomode = GSVideoMode::Unknown;
 	uint8 Colorburst = m_regs->SMODE1.CMOD; // Subcarrier frequency
@@ -384,13 +386,13 @@ GSVideoMode GSState::GetVideoMode()
 	{
 	case 0:
 		if (isinterlaced() && PLL_Divider == 22)
-			videomode = GSVideoMode::DTV_1080I;
+			videomode = GSVideoMode::HDTV_1080I;
 
 		else if (!isinterlaced() && PLL_Divider == 22)
-			videomode = GSVideoMode::DTV_720P;
+			videomode = GSVideoMode::HDTV_720P;
 
 		else if (!isinterlaced() && PLL_Divider == 32)
-			videomode = GSVideoMode::DTV_480P; // TODO: 576P will also be reported as 480P, find some way to differeniate.
+			videomode = GSVideoMode::SDTV_480P; // TODO: 576P will also be reported as 480P, find some way to differeniate.
 
 		else
 			videomode = GSVideoMode::VESA;
@@ -531,13 +533,13 @@ float GSState::GetTvRefreshRate()
 
 	switch (videomode)
 	{
-	case GSVideoMode::NTSC: case GSVideoMode::DTV_480P:
+	case GSVideoMode::NTSC: case GSVideoMode::SDTV_480P:
 		vertical_frequency = (60 / 1.001f); break;
 
 	case GSVideoMode::PAL:
 		vertical_frequency = 50; break;
 
-	case GSVideoMode::DTV_720P: case GSVideoMode::DTV_1080I:
+	case GSVideoMode::HDTV_720P: case GSVideoMode::HDTV_1080I:
 		vertical_frequency = 60; break;
 
 	default: