diff --git a/README.md b/README.md
index 40996d7..0afda53 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # multiple-cursors.el [![Build Status](https://secure.travis-ci.org/magnars/multiple-cursors.el.png)](http://travis-ci.org/magnars/multiple-cursors.el)
 
 Multiple cursors for Emacs. This is some pretty crazy functionality, so yes,
-there are kinks. Don't be afraid tho, I've been using it since 2011 with
+there are kinks. Don't be afraid though, I've been using it since 2011 with
 great success and much merriment.
 
 ## Maintenance warning
@@ -82,7 +82,7 @@ You can [watch an intro to multiple-cursors at Emacs Rocks](http://emacsrocks.co
  - `mc/mark-previous-like-this-symbol`: Adds a cursor and region at the next part of the buffer backwards that matches the current region, if  no region is selected it selects the symbol at the point.
  - `mc/mark-previous-word-like-this`: Like `mc/mark-previous-like-this` but only for whole words.
  - `mc/mark-previous-symbol-like-this`: Like `mc/mark-previous-like-this` but only for whole symbols.
- - `mc/mark-more-like-this-extended`: Use arrow keys to quickly mark/skip next/previous occurances.
+ - `mc/mark-more-like-this-extended`: Use arrow keys to quickly mark/skip next/previous occurrences.
  - `mc/add-cursor-on-click`: Bind to a mouse event to add cursors by clicking. See tips-section.
  - `mc/mark-pop`: Set a cursor at the current point and move to the next (different) position on the mark stack.  This allows for fine grained control over the placement of cursors.
 
@@ -90,8 +90,8 @@ You can [watch an intro to multiple-cursors at Emacs Rocks](http://emacsrocks.co
 
  - `mc/unmark-next-like-this`: Remove the cursor furthest down in the buffer.
  - `mc/unmark-previous-like-this`: Remove the cursor furthest up in the buffer.
- - `mc/skip-to-next-like-this`: Remove the cursor furthest down, marking the next occurance down.
- - `mc/skip-to-previous-like-this`: Remove the cursor furthest up, marking the next occurance up.
+ - `mc/skip-to-next-like-this`: Remove the cursor furthest down, marking the next occurrence down.
+ - `mc/skip-to-previous-like-this`: Remove the cursor furthest up, marking the next occurrence up.
 
 ### Mark many occurrences
 
@@ -134,7 +134,7 @@ You can [watch an intro to multiple-cursors at Emacs Rocks](http://emacsrocks.co
 
 - Try pressing `mc/mark-next-like-this-word` or
   `mc/mark-next-like-this-symbol` with no region selected. It will
-  mark the word or symbol and add a cursor at the next occurance
+  mark the word or symbol and add a cursor at the next occurrence
 
 - Try pressing `mc/mark-all-like-this-dwim` on a tagname in html-mode.
 
diff --git a/mc-hide-unmatched-lines-mode.el b/mc-hide-unmatched-lines-mode.el
index 18e1688..0167dbc 100644
--- a/mc-hide-unmatched-lines-mode.el
+++ b/mc-hide-unmatched-lines-mode.el
@@ -73,7 +73,7 @@ mode. To leave this mode press <return> or \"C-g\""
   :group 'multiple-cursors)
 
 (defcustom hum/placeholder "..."
-  "Placeholder which will be placed insted of hiden text"
+  "Placeholder which will be placed instead of hidden text"
   :type '(string)
   :group 'multiple-cursors)
 
diff --git a/mc-separate-operations.el b/mc-separate-operations.el
index 07ce928..f123cca 100644
--- a/mc-separate-operations.el
+++ b/mc-separate-operations.el
@@ -124,7 +124,7 @@
 ;;;###autoload
 (defun mc/vertical-align (character)
   "Aligns all cursors vertically with a given CHARACTER to the one with the
-highest colum number (the rightest).
+highest column number (the rightest).
 Might not behave as intended if more than one cursors are on the same line."
   (interactive "c")
   (let ((rightest-column (current-column)))
diff --git a/multiple-cursors-core.el b/multiple-cursors-core.el
index d93ace9..5d8cb8a 100644
--- a/multiple-cursors-core.el
+++ b/multiple-cursors-core.el
@@ -607,7 +607,7 @@ from being executed if in multiple-cursors-mode."
     (when interprogram-paste
       ;; Add interprogram-paste to normal kill ring, just
       ;; like current-kill usually does for itself.
-      ;; We have to do the work for it tho, since the funcall only returns
+      ;; We have to do the work for it though, since the funcall only returns
       ;; something once. It is not a pure function.
       (let ((interprogram-cut-function nil))
         (if (listp interprogram-paste)
diff --git a/multiple-cursors.el b/multiple-cursors.el
index 92e8f5b..e78bab3 100644
--- a/multiple-cursors.el
+++ b/multiple-cursors.el
@@ -22,7 +22,7 @@
 ;;; Commentary:
 
 ;; Multiple cursors for Emacs. This is some pretty crazy functionality, so yes,
-;; there are kinks. Don't be afraid tho, I've been using it since 2011 with
+;; there are kinks. Don't be afraid though, I've been using it since 2011 with
 ;; great success and much merriment.
 
 ;; ## Basic usage
@@ -68,7 +68,7 @@
 ;;  - `mc/mark-previous-like-this`: Adds a cursor and region at the next part of the buffer backwards that matches the current region.
 ;;  - `mc/mark-previous-word-like-this`: Like `mc/mark-previous-like-this` but only for whole words.
 ;;  - `mc/mark-previous-symbol-like-this`: Like `mc/mark-previous-like-this` but only for whole symbols.
-;;  - `mc/mark-more-like-this-extended`: Use arrow keys to quickly mark/skip next/previous occurances.
+;;  - `mc/mark-more-like-this-extended`: Use arrow keys to quickly mark/skip next/previous occurrences.
 ;;  - `mc/add-cursor-on-click`: Bind to a mouse event to add cursors by clicking. See tips-section.
 
 ;; ### Mark many occurrences
@@ -105,7 +105,7 @@
 ;;
 ;; - Try pressing `mc/mark-next-like-this-word` or
 ;;   `mc/mark-next-like-this-symbol` with no region selected. It will
-;;   mark the symbol and add a cursor at the next occurance
+;;   mark the symbol and add a cursor at the next occurrence
 ;;
 ;; - Try pressing `mc/mark-all-like-this-dwim` on a tagname in html-mode.
 ;;