diff --git a/src/cpu/core_dyn_x86/decoder.h b/src/cpu/core_dyn_x86/decoder.h
index 80e2299f..a9f90d07 100644
--- a/src/cpu/core_dyn_x86/decoder.h
+++ b/src/cpu/core_dyn_x86/decoder.h
@@ -2677,7 +2677,7 @@ restart_prefix:
 			goto illegalopcode;
 		}
 	}
-	// link to next block because the maximal number of opcodes has been reached
+	// link to next block because the maximum number of opcodes has been reached
 	dyn_set_eip_end();
 	dyn_reduce_cycles();
 	dyn_save_critical_regs();
diff --git a/src/cpu/core_dynrec.cpp b/src/cpu/core_dynrec.cpp
index e56d8a2c..ed975f56 100644
--- a/src/cpu/core_dynrec.cpp
+++ b/src/cpu/core_dynrec.cpp
@@ -246,7 +246,7 @@ run_block:
 			// the block was exited due to a non-predictable control flow
 			// modifying instruction (like ret) or some nontrivial cpu state
 			// changing instruction (for example switch to/from pmode),
-			// or the maximal number of instructions to translate was reached
+			// or the maximum number of instructions to translate was reached
 #if C_HEAVY_DEBUG
 			if (DEBUG_HeavyIsBreakpoint()) return debugCallback;
 #endif
diff --git a/src/cpu/core_dynrec/cache.h b/src/cpu/core_dynrec/cache.h
index 3b1a5984..5c814360 100644
--- a/src/cpu/core_dynrec/cache.h
+++ b/src/cpu/core_dynrec/cache.h
@@ -53,7 +53,7 @@ public:
 		CacheBlockDynRec * to;		// this block can transfer control to the to-block
 		CacheBlockDynRec * next;
 		CacheBlockDynRec * from;	// the from-block can transfer control to this block
-	} link[2];	// maximal two links (conditional jumps)
+	} link[2];	// maximum two links (conditional jumps)
 	CacheBlockDynRec * crossblock;
 };
 
diff --git a/src/cpu/core_dynrec/decoder.h b/src/cpu/core_dynrec/decoder.h
index 4c7dc6fe..08b52441 100644
--- a/src/cpu/core_dynrec/decoder.h
+++ b/src/cpu/core_dynrec/decoder.h
@@ -26,7 +26,7 @@
 
 /*
 	The function CreateCacheBlock translates the instruction stream
-	until either an unhandled instruction is found, the maximal
+	until either an unhandled instruction is found, the maximum
 	number of translated instructions is reached or some critical
 	instruction is encountered.
 */
@@ -586,7 +586,7 @@ restart_prefix:
 			goto illegalopcode;
 		}
 	}
-	// link to next block because the maximal number of opcodes has been reached
+	// link to next block because the maximum number of opcodes has been reached
 	dyn_set_eip_end();
 	dyn_reduce_cycles();
 	gen_jmp_ptr(&decode.block->link[0].to,offsetof(CacheBlockDynRec,cache.start));
diff --git a/src/cpu/paging.cpp b/src/cpu/paging.cpp
index 7dbff72f..6ac9b664 100644
--- a/src/cpu/paging.cpp
+++ b/src/cpu/paging.cpp
@@ -849,7 +849,7 @@ void PAGING_SetDirBase(Bitu cr3) {
 }
 
 void PAGING_Enable(bool enabled) {
-	/* If paging is disable we work from a default paging table */
+	/* If paging is disabled, we work from a default paging table */
 	if (paging.enabled==enabled) return;
 	paging.enabled=enabled;
 	if (enabled) {
diff --git a/src/debug/debug.cpp b/src/debug/debug.cpp
index 992ed4a4..44dc221f 100644
--- a/src/debug/debug.cpp
+++ b/src/debug/debug.cpp
@@ -412,7 +412,7 @@ void CBreakpoint::ActivateBreakpoints(PhysPt adr, bool activate)
 };
 
 bool CBreakpoint::CheckBreakpoint(Bitu seg, Bitu off)
-// Checks if breakpoint is valid an should stop execution
+// Checks if breakpoint is valid and should stop execution
 {
 	if ((ignoreAddressOnce!=0) && (GetAddress(seg,off)==ignoreAddressOnce)) {
 		ignoreAddressOnce = 0;
@@ -476,7 +476,7 @@ bool CBreakpoint::CheckBreakpoint(Bitu seg, Bitu off)
 };
 
 bool CBreakpoint::CheckIntBreakpoint(PhysPt adr, Bit8u intNr, Bit16u ahValue)
-// Checks if interrupt breakpoint is valid an should stop execution
+// Checks if interrupt breakpoint is valid and should stop execution
 {
 	if ((ignoreAddressOnce!=0) && (adr==ignoreAddressOnce)) {
 		ignoreAddressOnce = 0;
@@ -491,7 +491,7 @@ bool CBreakpoint::CheckIntBreakpoint(PhysPt adr, Bit8u intNr, Bit16u ahValue)
 		bp = (*i);
 		if ((bp->GetType()==BKPNT_INTERRUPT) && bp->IsActive() && (bp->GetIntNr()==intNr)) {
 			if ((bp->GetValue()==BPINT_ALL) || (bp->GetValue()==ahValue)) {
-				// Ignoie it once ?
+				// Ignore it once ?
 				if (ignoreOnce==bp) {
 					ignoreOnce=0;
 					bp->Activate(true);
@@ -1402,7 +1402,7 @@ char* AnalyzeInstruction(char* inst, bool saveSelector) {
 		// Variable found ?
 		CDebugVar* var = CDebugVar::FindVar(address);
 		if (var) {
-			// Replace occurance
+			// Replace occurence
 			char* pos1 = strchr(inst,'[');
 			char* pos2 = strchr(inst,']');
 			if (pos1 && pos2) {
diff --git a/src/debug/debug_gui.cpp b/src/debug/debug_gui.cpp
index c57872fb..60166d91 100644
--- a/src/debug/debug_gui.cpp
+++ b/src/debug/debug_gui.cpp
@@ -161,7 +161,7 @@ static void DrawBars(void) {
 
 
 static void MakeSubWindows(void) {
-	/* The Std output win should go in bottem */
+	/* The Std output win should go at the bottom */
 	/* Make all the subwindows */
 	int win_main_maxy, win_main_maxx; getmaxyx(dbg.win_main,win_main_maxy,win_main_maxx);
 	int outy=1; //Match values with above
diff --git a/src/dos/dev_con.h b/src/dos/dev_con.h
index 39002035..79a6e42c 100644
--- a/src/dos/dev_con.h
+++ b/src/dos/dev_con.h
@@ -37,7 +37,7 @@ public:
 private:
 	Bit8u readcache;
 	Bit8u lastwrite;
-	struct ansi { /* should create a constructor which fills them with the appriorate values */
+	struct ansi { /* should create a constructor, which would fill them with the appropriate values */
 		bool esc;
 		bool sci;
 		bool enabled;
@@ -128,7 +128,7 @@ bool device_CON::Write(Bit8u * data,Bit16u * size) {
 				count++;
 				continue;
 			} else { 
-				/* Some sort of "hack" now that \n doesn't set col to 0 (int10_char.cpp old chessgame) */
+				/* Some sort of "hack" now that '\n' doesn't set col to 0 (int10_char.cpp old chessgame) */
 				if((data[count] == '\n') && (lastwrite != '\r')) INT10_TeletypeOutputAttr('\r',ansi.attr,ansi.enabled);
 				/* pass attribute only if ansi is enabled */
 				INT10_TeletypeOutputAttr(data[count],ansi.attr,ansi.enabled);
diff --git a/src/dos/dos_files.cpp b/src/dos/dos_files.cpp
index 4a3b26c8..c1574f17 100644
--- a/src/dos/dos_files.cpp
+++ b/src/dos/dos_files.cpp
@@ -299,7 +299,7 @@ bool DOS_Rename(char const * const oldname,char const * const newname) {
 	}
 
 	if (Drives[drivenew]->Rename(fullold,fullnew)) return true;
-	/* If it still fails. which error should we give ? PATH NOT FOUND or EACCESS */
+	/* If it still fails, which error should we give ? PATH NOT FOUND or EACCESS */
 	LOG(LOG_FILES,LOG_NORMAL)("Rename fails for %s to %s, no proper errorcode returned.",oldname,newname);
 	DOS_SetError(DOSERR_FILE_NOT_FOUND);
 	return false;
diff --git a/src/dos/drive_virtual.cpp b/src/dos/drive_virtual.cpp
index c119d873..43bfe8d1 100644
--- a/src/dos/drive_virtual.cpp
+++ b/src/dos/drive_virtual.cpp
@@ -101,7 +101,7 @@ bool Virtual_File::Read(Bit8u * data,Bit16u * size) {
 }
 
 bool Virtual_File::Write(Bit8u * data,Bit16u * size){
-/* Not really writeable */
+	/* Not really writable */
 	return false;
 }
 
diff --git a/src/ints/int10_memory.cpp b/src/ints/int10_memory.cpp
index 7beda20d..47b1afe7 100644
--- a/src/ints/int10_memory.cpp
+++ b/src/ints/int10_memory.cpp
@@ -154,7 +154,7 @@ void INT10_SetupRomMemory(void) {
 			int10.rom.video_dcc_table=RealMake(0xC000,int10.rom.used);
 			phys_writeb(rom_base+int10.rom.used++,0x10);	// number of entries
 			phys_writeb(rom_base+int10.rom.used++,1);		// version number
-			phys_writeb(rom_base+int10.rom.used++,8);		// maximal display code
+			phys_writeb(rom_base+int10.rom.used++,8);		// maximum display code
 			phys_writeb(rom_base+int10.rom.used++,0);		// reserved
 			// display combination codes
 			phys_writew(rom_base+int10.rom.used,0x0000);	int10.rom.used+=2;