examples,plumbing,utils: typo fixes

4 files changed, 7 insertions, 7 deletions

diff --git a/utils/ioutil/common.go b/utils/ioutil/common.go
index 66044e2..e9dcbfe 100644
--- a/utils/ioutil/common.go
+++ b/utils/ioutil/common.go
@@ -123,13 +123,13 @@ type readerOnError struct {
 }
 
 // NewReaderOnError returns a io.Reader that call the notify function when an
-// unexpected (!io.EOF) error happends, after call Read function.
+// unexpected (!io.EOF) error happens, after call Read function.
 func NewReaderOnError(r io.Reader, notify func(error)) io.Reader {
 	return &readerOnError{r, notify}
 }
 
 // NewReadCloserOnError returns a io.ReadCloser that call the notify function
-// when an unexpected (!io.EOF) error happends, after call Read function.
+// when an unexpected (!io.EOF) error happens, after call Read function.
 func NewReadCloserOnError(r io.ReadCloser, notify func(error)) io.ReadCloser {
 	return NewReadCloser(NewReaderOnError(r, notify), r)
 }
@@ -149,13 +149,13 @@ type writerOnError struct {
 }
 
 // NewWriterOnError returns a io.Writer that call the notify function when an
-// unexpected (!io.EOF) error happends, after call Write function.
+// unexpected (!io.EOF) error happens, after call Write function.
 func NewWriterOnError(w io.Writer, notify func(error)) io.Writer {
 	return &writerOnError{w, notify}
 }
 
 // NewWriteCloserOnError returns a io.WriteCloser that call the notify function
-//when an unexpected (!io.EOF) error happends, after call Write function.
+//when an unexpected (!io.EOF) error happens, after call Write function.
 func NewWriteCloserOnError(w io.WriteCloser, notify func(error)) io.WriteCloser {
 	return NewWriteCloser(NewWriterOnError(w, notify), w)
 }
diff --git a/utils/merkletrie/difftree.go b/utils/merkletrie/difftree.go
index 0748865..2294096 100644
--- a/utils/merkletrie/difftree.go
+++ b/utils/merkletrie/difftree.go
@@ -54,7 +54,7 @@ package merkletrie
 //
 // Here is a full list of all the cases that are similar and how to
 // merge them together into more general cases.  Each general case
-// is labeled wiht an uppercase letter for further reference, and it
+// is labeled with an uppercase letter for further reference, and it
 // is followed by the pseudocode of the checks you have to perfrom
 // on both noders to see if you are in such a case, the actions to
 // perform (i.e. what changes to output) and how to advance the
diff --git a/utils/merkletrie/iter.go b/utils/merkletrie/iter.go
index e3f3055..b4d4c99 100644
--- a/utils/merkletrie/iter.go
+++ b/utils/merkletrie/iter.go
@@ -198,7 +198,7 @@ func (iter *Iter) current() (noder.Path, error) {
 }
 
 // removes the current node if any, and all the frames that become empty as a
-// consecuence of this action.
+// consequence of this action.
 func (iter *Iter) drop() {
 	frame, ok := iter.top()
 	if !ok {
diff --git a/utils/merkletrie/noder/path.go b/utils/merkletrie/noder/path.go
index d2e2932..e9c905c 100644
--- a/utils/merkletrie/noder/path.go
+++ b/utils/merkletrie/noder/path.go
@@ -8,7 +8,7 @@ import (
 )
 
 // Path values represent a noder and its ancestors.  The root goes first
-// and the actual final noder the path is refering to will be the last.
+// and the actual final noder the path is referring to will be the last.
 //
 // A path implements the Noder interface, redirecting all the interface
 // calls to its final noder.