Fix some typo

Author: intoinside

E000.md

@@ -167,7 +167,7 @@ Assigns the length and the address of filename for a I/O operation
 
 * .A must contain the length of the filename
 * .X must contain the lo-byte of the address of the first character of the filename
-* .T must contain the hi-byte of the address of the first character of the filename
+* .Y must contain the hi-byte of the address of the first character of the filename
 
 If no name is used for this operation, load .A with 0 so .X .Y are irrelevant.
 
@@ -183,12 +183,12 @@ Loads or verifies a program file from tape or disk into a specified area of memo
 
 * JSETLFS at [$FFBA](#FFBA) must be called to establish device number and the secondary address.
 * JSETNAM at [$FFBD](#FFBD) must be called to specify the length and the address of the filename
-* JSETBKN at [$FF68](#FF68) must be called to specify the bank number where the filename can be found and the bank where the data is to be loaded
+* JSETBNK at [$FF68](#FF68) must be called to specify the bank number where the filename can be found and the bank where the data is to be loaded
 * .A must contain the operation type
   * 0 for load
   * !=0 for verify
-* if bit 0 of the secondary address is 0, the file will be loaded starting at the address specified in .X (lo-byte) and .Y registers (hi-byte). It's called a relocation load.
-* if bit 0 of the secondary address is 1, the file will be loaded at the address specified in the file itself. It's called an absolute load.
+* if bit 0 of the secondary address is 0, the file will be loaded starting at the address specified in .X (lo-byte) and .Y registers (hi-byte). It's called **relocation load**.
+* if bit 0 of the secondary address is 1, the file will be loaded at the address specified in the file itself. It's called **absolute load**.
 
 ### Output