Fixed typos.

pipelined/src/ifu/brpred/bpred.sv

@@ -197,8 +197,8 @@ module bpred (
   assign BPPredWrongE = (PredictionPCWrongE & |InstrClassE) | BPPredClassNonCFIWrongE;
 
   // If we have a jump, jump register or jal or jalr and the PC is wrong we need to increment the performance counter.
-  assign BTBPredPCWrongE = (InstrClassE[3] | InstrClassE[1]) & PredictionPCWrongE;
-  // similar with RAS
+  assign BTBPredPCWrongE = (InstrClassE[3] | InstrClassE[1] | InstrClassE[0]) & PredictionPCWrongE;
+  // similar with RAS. Over counts ras if the class prediction was wrong.
   assign RASPredPCWrongE = InstrClassE[2] & PredictionPCWrongE;
   // Finally if the real instruction class is non CFI but the predictor said it was we need to count.
   assign BPPredClassNonCFIWrongE = PredictionInstrClassWrongE & ~|InstrClassE;
@@ -223,7 +223,7 @@ module bpred (
   //  end
 
   // performance counters
-  // 1. class         (class wrong / minstret)
+  // 1. class         (class wrong / minstret) (PredictionInstrClassWrongM / csr)
   // 2. target btb    (btb target wrong / class[0,1,3])  (btb target wrong / (br + j + jal)
   // 3. target ras    (ras target wrong / class[2])
   // 4. direction     (br dir wrong / class[0])

pipelined/src/ifu/ifu.sv

@@ -115,7 +115,7 @@ module ifu (
   logic [31:0] NextInstrD, NextInstrE;                                // Instruction into the next stage after possible stage flush
 
 
-  logic 					   CacheableF;                            // PMA indicates isntruction address is cacheable
+  logic 					   CacheableF;                            // PMA indicates instruction address is cacheable
   logic 					   SelNextSpillF;                         // In a spill, stall pipeline and gate local stallF
   logic 					   BusStall;                              // Bus interface busy with multicycle operation
   logic 					   ICacheStallF;                          // I$ busy with multicycle operation