diff --git a/Marlin/pins_CHEAPTRONIC.h b/Marlin/pins_CHEAPTRONIC.h
index 72ee63bd68653fce1f7ca3a109df610d00f6fcf5..6884622de91ee54a8023b502f64a83248330d487 100644
--- a/Marlin/pins_CHEAPTRONIC.h
+++ b/Marlin/pins_CHEAPTRONIC.h
@@ -85,5 +85,5 @@
 #define BLEN_B 1
 #define BLEN_A 0
 
-// Cheaptronic v1.0 does not use this port
+// Cheaptronic v1.0 doesn't use this
 #define SDCARDDETECT_PIN -1
diff --git a/Marlin/pins_MEGATRONICS_2.h b/Marlin/pins_MEGATRONICS_2.h
index 8f9046c498f6399c3d6efe16aaf35ae9d328ffba..931b0317a1e1d70867311788829c4f6e66585213 100644
--- a/Marlin/pins_MEGATRONICS_2.h
+++ b/Marlin/pins_MEGATRONICS_2.h
@@ -94,4 +94,4 @@
 #define BLEN_B 1
 #define BLEN_A 0
 
-#define SDCARDDETECT_PIN -1  // Megatronics does not use this port
+#define SDCARDDETECT_PIN -1  // Megatronics doesn't use this
diff --git a/Marlin/pins_MEGATRONICS_3.h b/Marlin/pins_MEGATRONICS_3.h
index e0bea57d505038e7176e6d2ae318747aff9e0742..d27eeaaf0d0879fd82515b91b74912fd05a621ce 100644
--- a/Marlin/pins_MEGATRONICS_3.h
+++ b/Marlin/pins_MEGATRONICS_3.h
@@ -99,4 +99,4 @@
 #define BLEN_B 1
 #define BLEN_A 0
 
-#define SDCARDDETECT_PIN -1	// Megatronics does not use this port
+#define SDCARDDETECT_PIN -1	// Megatronics doesn't use this
diff --git a/Marlin/pins_MINITRONICS.h b/Marlin/pins_MINITRONICS.h
index 4fc35b93e673e9fa38093d5700ca3ae8c805d128..6fc60345a5b5ba644ba6bcab6e8d95c5e3193570 100644
--- a/Marlin/pins_MINITRONICS.h
+++ b/Marlin/pins_MINITRONICS.h
@@ -78,4 +78,4 @@
 #define BLEN_B 1
 #define BLEN_A 0
 
-#define SDCARDDETECT_PIN -1  // Minitronics does not use this port
+#define SDCARDDETECT_PIN -1  // Minitronics doesn't use this
diff --git a/Marlin/pins_RAMBO.h b/Marlin/pins_RAMBO.h
index 2600c36e8052466d694191f765391c8cfcf02547..9d8c2515ac6d862f8f88dcb9d6328c8f012eeb25 100644
--- a/Marlin/pins_RAMBO.h
+++ b/Marlin/pins_RAMBO.h
@@ -133,7 +133,7 @@
     #define BLEN_B 1
     #define BLEN_A 0
 
-    #define SDCARDDETECT_PIN 81 // Ramps doesn't use this port
+    #define SDCARDDETECT_PIN 81 // Ramps doesn't use this
 
   #else //!NEWPANEL - old style panel with shift register
 
diff --git a/Marlin/pins_RAMPS_13.h b/Marlin/pins_RAMPS_13.h
index 67ca166ba1fbd1808f54becdf89f128467108338..fc43a79831ab95e010a4b143c76accd4b67dbac7 100644
--- a/Marlin/pins_RAMPS_13.h
+++ b/Marlin/pins_RAMPS_13.h
@@ -237,7 +237,7 @@
       #if ENABLED(G3D_PANEL)
         #define SDCARDDETECT_PIN 49
       #else
-        #define SDCARDDETECT_PIN -1  // Ramps does not use this port
+        #define SDCARDDETECT_PIN -1  // Ramps doesn't use this
       #endif
 
     #endif