some documentation fixes (mostly spelling mistakes)

c64/aliases/,aliases_ram_lowmem.s

@@ -141,7 +141,7 @@
 	.label CAS1      = $C0  //          tape motor interlock
 	.label STAL      = $C1  // $C1-$C2  LOAD/SAVE start address
 	.label MEMUSS    = $C3  // $C3-$C4  temporary address for tape LOAD/SAVE
-	.label LSTX      = $C5  //          last keyy matrix position [!] our usage probably differs in details
+	.label LSTX      = $C5  //          last key matrix position [!] our usage probably differs in details
 	.label NDX       = $C6  //          number of chars in keyboard buffer
 	.label RVS       = $C7  //          flag, whether to print reversed characters
 	.label INDX      = $C8  //          end of logical line (column, 0-79)
@@ -150,7 +150,7 @@
 	.label BLNSW     = $CC  //          cursor blink disable flag
 	.label BLNCT     = $CD  //          cursor blink countdown
 	.label GDBLN     = $CE  //          cursor saved character
-	.label BLNON     = $CF  //          cursor visibilityy flag
+	.label BLNON     = $CF  //          cursor visibility flag
 	.label CRSW      = $D0  //          whether to input from screen or keyboard
 	.label PNT       = $D1  // $D1-$D2  pointer to the current screen line
 	.label PNTR      = $D3  //          current screen X position

c64/kernal/iec_fast/jiffydos_bittable.s

@@ -7,7 +7,7 @@
 
 // Similar tables are probably used by nearly all the disk turbo loaders,
 // either on the C64 or drive side, soometimes generated in RAM on the fly;
-// example disk turbo presented below has a veryy similar table - but the
+// example disk turbo presented below has a very similar table - but the
 // values are in reversed order:
 // - https://www.pagetable.com/?p=568
 

c64/kernal/iec_fast/load_jiffydos.s

@@ -11,7 +11,7 @@
 // see description at https://sites.google.com/site/h2obsession/CBM/C128/JiffySoft128
 //
 // For simplicity and some space savings, our routine does not check the RUN/STOP key at all;
-// the protocol is fast enough (especiallyy with modern flash mediums) that probably nobody
+// the protocol is fast enough (especially with modern flash mediums) that probably nobody
 // will want to terminate the loading.
 
 

c64/kernal/iostack/load_save_common.s

@@ -220,7 +220,7 @@ lvs_display_saving:
 	lda (FNADDR), y
 	jsr JCHROUT
 	iny
-	bne !- // jump alwayys 
+	bne !- // jump always
 !:
 	rts