diff --git a/cnn_market.go b/cnn_market.go
index 06923d1..40f1df9 100644
--- a/cnn_market.go
+++ b/cnn_market.go
@@ -108,7 +108,7 @@ func (market *Market) Fetch() (self *Market) {
 	return market.extract(market.trim(body))
 }
 
-// Ok returns two values: 1) boolean indicating whether the error has occured,
+// Ok returns two values: 1) boolean indicating whether the error has occurred,
 // and 2) the error text itself.
 func (market *Market) Ok() (bool, string) {
 	return market.errors == ``, market.errors
diff --git a/markup.go b/markup.go
index d2abc5e..4bf5e64 100644
--- a/markup.go
+++ b/markup.go
@@ -77,7 +77,7 @@ func (markup *Markup) Tokenize(str string) []string {
 		tail = match[0]
 		if match[1] != 0 {
 			if head != 0 || tail != 0 {
-				// Apend the text between tags.
+				// Append the text between tags.
 				strings = append(strings, str[head:tail])
 			}
 			// Append the tag itmarkup.
diff --git a/screen.go b/screen.go
index 51e8d8e..2c92614 100644
--- a/screen.go
+++ b/screen.go
@@ -12,8 +12,8 @@ import (
         `fmt`
 )
 
-// Screen is thin wrapper aroung Termbox library to provide basic display
-// capabilities as requied by Mop.
+// Screen is thin wrapper around Termbox library to provide basic display
+// capabilities as required by Mop.
 type Screen struct {
 	width    int        // Current number of columns.
 	height   int        // Current number of rows.
diff --git a/sorter.go b/sorter.go
index 7ea8e4a..d193557 100644
--- a/sorter.go
+++ b/sorter.go
@@ -223,7 +223,7 @@ func (sorter *Sorter) SortByCurrentColumn(stocks []Stock) *Sorter {
 }
 
 // The same exact method is used to sort by $Change and Change%. In both cases
-// we sort by the value of Change% so that multiple $0.00s get sorted proferly.
+// we sort by the value of Change% so that multiple $0.00s get sorted properly.
 func c(str string) float32 {
 	c := "$"
 	for _, v := range currencies {
diff --git a/yahoo_quotes.go b/yahoo_quotes.go
index d4fbe46..1807601 100644
--- a/yahoo_quotes.go
+++ b/yahoo_quotes.go
@@ -96,7 +96,7 @@ func (quotes *Quotes) Fetch() (self *Quotes) {
 	return quotes
 }
 
-// Ok returns two values: 1) boolean indicating whether the error has occured,
+// Ok returns two values: 1) boolean indicating whether the error has occurred,
 // and 2) the error text itself.
 func (quotes *Quotes) Ok() (bool, string) {
 	return quotes.errors == ``, quotes.errors