core: various typos

1 files changed, 3 insertions, 3 deletions

diff --git a/core/vm/jit.go b/core/vm/jit.go
index 5404730c1..71ffcf0f6 100644
--- a/core/vm/jit.go
+++ b/core/vm/jit.go
@@ -300,7 +300,7 @@ func CompileProgram(program *Program) (err error) {
 	return nil
 }
 
-// RunProgram runs the program given the enviroment and contract and returns an
+// RunProgram runs the program given the environment and contract and returns an
 // error if the execution failed (non-consensus)
 func RunProgram(program *Program, env Environment, contract *Contract, input []byte) ([]byte, error) {
 	return runProgram(program, 0, NewMemory(), newstack(), env, contract, input)
@@ -346,7 +346,7 @@ func runProgram(program *Program, pcstart uint64, mem *Memory, stack *stack, env
 	return nil, nil
 }
 
-// validDest checks if the given distination is a valid one given the
+// validDest checks if the given destination is a valid one given the
 // destination table of the program
 func validDest(dests map[uint64]struct{}, dest *big.Int) bool {
 	// PC cannot go beyond len(code) and certainly can't be bigger than 64bits.
@@ -416,7 +416,7 @@ func jitCalculateGasAndSize(env Environment, contract *Contract, instr instructi
 		// This checks for 3 scenario's and calculates gas accordingly
 		// 1. From a zero-value address to a non-zero value         (NEW VALUE)
 		// 2. From a non-zero value address to a zero-value address (DELETE)
-		// 3. From a nen-zero to a non-zero                         (CHANGE)
+		// 3. From a non-zero to a non-zero                         (CHANGE)
 		if common.EmptyHash(val) && !common.EmptyHash(common.BigToHash(y)) {
 			g = params.SstoreSetGas
 		} else if !common.EmptyHash(val) && common.EmptyHash(common.BigToHash(y)) {