small docs corrections

Author: jwd83

rtl/serv_compdec.v

@@ -178,7 +178,7 @@ module serv_compdec
         case (i_instr[15:14])
           2'b00: begin
             // c.slli -> slli rd, rd, shamt
-            // (c.ssli hints are translated into a slli hint)
+            // (c.slli hints are translated into a slli hint)
             comp_instr = {7'b0, i_instr[6:2], i_instr[11:7], 3'b001, i_instr[11:7], {OPCODE_OP_IMM}};
           end
 

rtl/serv_decode.v

@@ -133,7 +133,7 @@ module serv_decode
    wire co_sh_right   = funct3[2];
    wire co_bne_or_bge = funct3[0];
 
-   //Matches system ops except eceall/ebreak/mret
+   //Matches system ops except ecall/ebreak/mret
    wire csr_op = opcode[4] & opcode[2] & (|funct3);