diff --git a/papers/doc/3-pattern/effects.md b/papers/doc/3-pattern/effects.md
index 080d59a28..42704225a 100644
--- a/papers/doc/3-pattern/effects.md
+++ b/papers/doc/3-pattern/effects.md
@@ -11,7 +11,7 @@ however, effects are continuous, which means you only need to type it once and t
 - `04xy`: vibrato. `x` is the speed, while `y` is the depth.
   - maximum vibrato depth is ±1 semitone.
 - `08xy`: set panning. `x` is the left channel and `y` is the right one.
-  - not all platforms support this effect.
+  - not all systems support this effect.
 - `09xx`: set speed 1.
 - `0Axy`: volume slide.
   - if `x` is 0 then this is a slide down.
@@ -38,7 +38,7 @@ however, effects are continuous, which means you only need to type it once and t
   - range is ±1 semitone.
 - `EAxx`: toggle legato.
 - `EBxx`: set sample bank.
-  - does not apply on Amiga platform.
+  - does not apply on Amiga.
 - `ECxx`: note off after `xx` ticks.
 - `EDxx`: delay note by `xx` ticks.
 - `EExx`: send external command.
@@ -47,4 +47,4 @@ however, effects are continuous, which means you only need to type it once and t
   - this effect is rather weird. use with caution.
   - `80` is center.
 
-additionally each system/platform has its own effects. more details in another section of the manual.
+additionally each system has its own effects. more details in another section of the manual.
diff --git a/papers/doc/7-systems/README.md b/papers/doc/7-systems/README.md
index efe08bf7d..90a17ee2d 100644
--- a/papers/doc/7-systems/README.md
+++ b/papers/doc/7-systems/README.md
@@ -1,6 +1,6 @@
-# systems/platforms
+# systems
 
-this is a list of systems (platforms) that Furnace supports, including each platform's effects.
+this is a list of systems that Furnace supports, including each system's effects.
 
 - [Sega Genesis/Mega Drive](genesis.md)
 - [Sega Master System](sms.md)
diff --git a/papers/doc/7-systems/arcade.md b/papers/doc/7-systems/arcade.md
index 4c1a6acc6..6af59b1ea 100644
--- a/papers/doc/7-systems/arcade.md
+++ b/papers/doc/7-systems/arcade.md
@@ -1,7 +1,7 @@
 # Arcade (Yamaha YM2151/PCM)
 
 this chip combination was used in the Sega OutRun, X and Y arcade boards, and perhaps a few others.
-the actual PCM chip had 16 channels, but the number has been cut to 5 in DefleMask for seemingly arbitrary reasons. a platform with all 16 channels may be coming soon.
+the actual PCM chip had 16 channels, but the number has been cut to 5 in DefleMask for seemingly arbitrary reasons. a system with all 16 channels may be coming soon.
 
 # effects
 
diff --git a/papers/doc/7-systems/genesis.md b/papers/doc/7-systems/genesis.md
index bc9a44589..13ce5ab95 100644
--- a/papers/doc/7-systems/genesis.md
+++ b/papers/doc/7-systems/genesis.md
@@ -21,7 +21,7 @@ this console is powered by two sound chips: the Yamaha YM2612 and a derivative o
   - this only works on channel 6.
 - `18xx`: toggle extended channel 3 mode.
   - 0 disables it and 1 enables it.
-  - only in extended channel 3 platform.
+  - only in extended channel 3 system.
 - `19xx`: set attack of all operators.
 - `1Axx`: set attack of operator 1.
 - `1Bxx`: set attack of operator 2.
diff --git a/papers/doc/7-systems/ym2151.md b/papers/doc/7-systems/ym2151.md
index 58a222fd6..ff5a789df 100644
--- a/papers/doc/7-systems/ym2151.md
+++ b/papers/doc/7-systems/ym2151.md
@@ -1,6 +1,6 @@
 # Yamaha YM2151
 
-the sound chip powering the Arcade platform, available for standalone use if you want to make X68000 music or pair it with a 16-channel Sega PCM when it comes.
+the sound chip powering the Arcade system, available for standalone use if you want to make X68000 music or pair it with a 16-channel Sega PCM when it comes.
 
 # effects
 
diff --git a/papers/doc/7-systems/ym2610.md b/papers/doc/7-systems/ym2610.md
index aeb4e04f8..575a4850c 100644
--- a/papers/doc/7-systems/ym2610.md
+++ b/papers/doc/7-systems/ym2610.md
@@ -19,7 +19,7 @@ its soundchip is a 3-in-1: FM, YM2149 (AY-3-8910 clone) and ADPCM in a single pa
   - `y` is the mutliplier.
 - `18xx`: toggle extended channel 2 mode.
   - 0 disables it and 1 enables it.
-  - only in extended channel 2 platform.
+  - only in extended channel 2 system.
 - `19xx`: set attack of all operators.
 - `1Axx`: set attack of operator 1.
 - `1Bxx`: set attack of operator 2.
diff --git a/papers/doc/7-systems/ym2612.md b/papers/doc/7-systems/ym2612.md
index 3bfc1adc9..bfe87cf53 100644
--- a/papers/doc/7-systems/ym2612.md
+++ b/papers/doc/7-systems/ym2612.md
@@ -19,7 +19,7 @@ one of two chips that powered the Sega Genesis.
   - this only works on channel 6.
 - `18xx`: toggle extended channel 3 mode.
   - 0 disables it and 1 enables it.
-  - only in extended channel 3 platform.
+  - only in extended channel 3 system.
 - `19xx`: set attack of all operators.
 - `1Axx`: set attack of operator 1.
 - `1Bxx`: set attack of operator 2.
diff --git a/papers/doc/README.md b/papers/doc/README.md
index 04f231f84..11bd2d101 100644
--- a/papers/doc/README.md
+++ b/papers/doc/README.md
@@ -8,4 +8,4 @@ this documentation is a work in progress! expect several sections to be incomple
 4. [instruments](4-instrument/README.md)
 5. [wavetables](5-wave/README.md)
 6. [samples](6-sample/README.md)
-7. [list of systems/platforms](7-systems/README.md)
+7. [list of systems](7-systems/README.md)
diff --git a/src/engine/engine.cpp b/src/engine/engine.cpp
index afb4caa1e..165f439f6 100644
--- a/src/engine/engine.cpp
+++ b/src/engine/engine.cpp
@@ -1930,8 +1930,8 @@ SafeWriter* DivEngine::saveFur() {
 SafeWriter* DivEngine::saveDMF() {
   // fail if more than one system
   if (song.systemLen!=1) {
-    logE("cannot save multiple platforms in this format!\n");
-    lastError="multiple platforms not possible on .dmf";
+    logE("cannot save multiple systems in this format!\n");
+    lastError="multiple systems not possible on .dmf";
     return NULL;
   }
   // fail if this is an YMU759 song
@@ -1942,8 +1942,8 @@ SafeWriter* DivEngine::saveDMF() {
   }
   // fail if the system is Furnace-exclusive
   if (systemToFile(song.system[0])&0x80) {
-    logE("cannot save Furnace-exclusive platform song!\n");
-    lastError="this platform is not possible on .dmf";
+    logE("cannot save Furnace-exclusive system song!\n");
+    lastError="this system is not possible on .dmf";
     return NULL;
   }
 
diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index 160f94936..27eb0947b 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -658,7 +658,7 @@ void FurnaceGUI::drawInsEdit() {
               }
               ImGui::SliderScalar("Detune 2",ImGuiDataType_U8,&op.dt2,&_ZERO,&_THREE);
               if (ImGui::IsItemHovered()) {
-                ImGui::SetTooltip("Only for Arcade platform");
+                ImGui::SetTooltip("Only for Arcade system");
               }
               bool ssgOn=op.ssgEnv&8;
               unsigned char ssgEnv=op.ssgEnv&7;
@@ -670,7 +670,7 @@ void FurnaceGUI::drawInsEdit() {
                 op.ssgEnv=(op.ssgEnv&7)|(ssgOn<<3);
               }
               if (ImGui::IsItemHovered()) {
-                ImGui::SetTooltip("Only for Genesis and Neo Geo platforms");
+                ImGui::SetTooltip("Only for Genesis and Neo Geo systems");
               }
 
               bool amOn=op.am;
@@ -2862,7 +2862,7 @@ void FurnaceGUI::processDrags(int dragX, int dragY) {
 #define sysAddOption(x) \
   if (ImGui::MenuItem(e->getSystemName(x))) { \
     if (!e->addSystem(x)) { \
-      showError("cannot add platform! ("+e->getLastError()+")"); \
+      showError("cannot add system! ("+e->getLastError()+")"); \
     } \
     updateWindowTitle(); \
   }
@@ -2977,7 +2977,7 @@ bool FurnaceGUI::loop() {
         openFileDialog(GUI_FILE_SAVE);
       }
       ImGui::Separator();
-      if (ImGui::BeginMenu("add platform...")) {
+      if (ImGui::BeginMenu("add system...")) {
         sysAddOption(DIV_SYSTEM_GENESIS);
         sysAddOption(DIV_SYSTEM_GENESIS_EXT);
         sysAddOption(DIV_SYSTEM_SMS);
@@ -2998,7 +2998,7 @@ bool FurnaceGUI::loop() {
         sysAddOption(DIV_SYSTEM_AY8930);
         ImGui::EndMenu();
       }
-      if (ImGui::BeginMenu("change platform...")) {
+      if (ImGui::BeginMenu("change system...")) {
         for (int i=0; i<e->song.systemLen; i++) {
           if (ImGui::BeginMenu(fmt::sprintf("%d. %s##_SYSC%d",i+1,e->getSystemName(e->song.system[i]),i).c_str())) {
             sysChangeOption(i,DIV_SYSTEM_GENESIS);
@@ -3024,11 +3024,11 @@ bool FurnaceGUI::loop() {
         }
         ImGui::EndMenu();
       }
-      if (ImGui::BeginMenu("remove platform...")) {
+      if (ImGui::BeginMenu("remove system...")) {
         for (int i=0; i<e->song.systemLen; i++) {
           if (ImGui::MenuItem(fmt::sprintf("%d. %s##_SYSR%d",i+1,e->getSystemName(e->song.system[i]),i).c_str())) {
             if (!e->removeSystem(i)) {
-              showError("cannot remove platform! ("+e->getLastError()+")");
+              showError("cannot remove system! ("+e->getLastError()+")");
             }
           }
         }