diff --git a/lib/Target/PIC16/PIC16ISelLowering.h b/lib/Target/PIC16/PIC16ISelLowering.h
index d7bb5c1ce51..d942af46a9e 100644
--- a/lib/Target/PIC16/PIC16ISelLowering.h
+++ b/lib/Target/PIC16/PIC16ISelLowering.h
@@ -50,7 +50,7 @@ namespace llvm {
       CALL,          // PIC16 Call instruction 
       CALLW,         // PIC16 CALLW instruction 
       SUBCC,         // Compare for equality or inequality.
-      SELECT_ICC,    // Psuedo to be caught in schedular and expanded to brcond.
+      SELECT_ICC,    // Pseudo to be caught in scheduler and expanded to brcond.
       BRCOND,        // Conditional branch.
       RET,           // Return.
       Dummy
diff --git a/lib/Target/X86/X86InstrFPStack.td b/lib/Target/X86/X86InstrFPStack.td
index 3e1598d54e8..9c9bcc7d0b6 100644
--- a/lib/Target/X86/X86InstrFPStack.td
+++ b/lib/Target/X86/X86InstrFPStack.td
@@ -153,7 +153,7 @@ def FpSET_ST1_64 : FpI_<(outs), (ins RFP64:$src), SpecialFP, []>; // ST(1) = FPR
 def FpSET_ST1_80 : FpI_<(outs), (ins RFP80:$src), SpecialFP, []>; // ST(1) = FPR
 }
 
-// FpIf32, FpIf64 - Floating Point Psuedo Instruction template.
+// FpIf32, FpIf64 - Floating Point Pseudo Instruction template.
 // f32 instructions can use SSE1 and are predicated on FPStackf32 == !SSE1.
 // f64 instructions can use SSE2 and are predicated on FPStackf64 == !SSE2.
 // f80 instructions cannot use SSE and use neither of these.
diff --git a/lib/Target/X86/X86InstrFormats.td b/lib/Target/X86/X86InstrFormats.td
index 11c4e744f32..79187e9a76d 100644
--- a/lib/Target/X86/X86InstrFormats.td
+++ b/lib/Target/X86/X86InstrFormats.td
@@ -211,7 +211,7 @@ class Ii32PCRel<bits<8> o, Format f, dag outs, dag ins, string asm,
 class FPI<bits<8> o, Format F, dag outs, dag ins, string asm>
   : I<o, F, outs, ins, asm, []> {}
 
-// FpI_ - Floating Point Psuedo Instruction template. Not Predicated.
+// FpI_ - Floating Point Pseudo Instruction template. Not Predicated.
 class FpI_<dag outs, dag ins, FPFormat fp, list<dag> pattern>
   : X86Inst<0, Pseudo, NoImm, outs, ins, ""> {
   let FPForm = fp;