diff --git a/content/commands.js b/content/commands.js
index 2a9fb60e..77e4c6b6 100644
--- a/content/commands.js
+++ b/content/commands.js
@@ -529,7 +529,7 @@ vimperator.Commands = function() //{{{
         function() { vimperator.open("chrome://mozapps/content/extensions/extensions.xul", vimperator.NEW_TAB); },
         {
             short_help: "Show available Browser Extensions and Themes",
-            help: "You can add/remove/disable browser extensions from this dialog.<br/>Be aware that not all Firefox extensions work, because Vimperator overrides some keybindings and changes Firefox's GUI."
+            help: "You can add/remove/disable browser extensions from this dialog.<br/>Be aware that not all Firefox extensions work, because Vimperator overrides some key bindings and changes Firefox's GUI."
         }
     ));
     addDefaultCommand(new vimperator.Command(["ba[ck]"],
@@ -689,7 +689,7 @@ vimperator.Commands = function() //{{{
             usage: ["delbm[arks] [url]"],
             short_help: "Delete a bookmark",
             help: "Deletes <b>all</b> bookmarks which match the <code class=\"argument\">[url]</code>. " +
-                  "If ommited, <code class=\"argument\">[url]</code> defaults to the URL of the current buffer. " +
+                  "If omitted, <code class=\"argument\">[url]</code> defaults to the URL of the current buffer. " +
                   "Use <code>&lt;Tab&gt;</code> key on a string to complete the URL which you want to delete.<br/>" +
                   "The following options WILL be interpreted in the future:<br/>" +
                   " [!] a special version to delete ALL bookmarks <br/>",
@@ -942,7 +942,7 @@ vimperator.Commands = function() //{{{
             usage: ["h[elp] {subject}"],
             short_help: "Open the help window",
             help: "You can jump to the specified <code class=\"argument\">{subject}</code> with <code class=\"command\">:help {subject}</code>.<br/>" +
-                  "Make sure you use the full vim notation when jumping to <code class=\"argument\">{subject}</code>. This means:<br/>" +
+                  "Make sure you use the full Vim notation when jumping to <code class=\"argument\">{subject}</code>. This means:<br/>" +
                   "<ul>" +
                   "<li><code class=\"command\">:help :help</code> for commands (: prefix)</li>" +
                   "<li><code class=\"command\">:help 'complete'</code> for options (surrounded by ' and ')</li>" +
@@ -1361,7 +1361,7 @@ vimperator.Commands = function() //{{{
         },
         {
             usage: ["mkv[imperatorrc] [file]"],
-            short_help: "Write current keymappings and changed options to [file]",
+            short_help: "Write current key mappings and changed options to [file]",
             help: "If no <code class=\"argument\">[file]</code> is specified then ~/.vimperatorrc is written unless this file already exists. " +
                   "The special version will overwrite <code class=\"argument\">[file]</code> if it exists.<br/>" +
                   "WARNING: this differs from Vim's behavior which defaults to writing the file in the current directory."
@@ -1533,7 +1533,7 @@ vimperator.Commands = function() //{{{
             usage: ["pref[erences][!]"],
             short_help: "Show Browser Preferences",
             help: "You can change the browser preferences from this dialog. " +
-                  "Be aware that not all Firefox preferences work, because Vimperator overrides some keybindings and changes Firefox's GUI.<br/>" +
+                  "Be aware that not all Firefox preferences work, because Vimperator overrides some key bindings and changes Firefox's GUI.<br/>" +
                   "<code class=\"command\">:prefs!</code> opens about:config in the current tab where you can change advanced Firefox preferences."
         }
     ));
@@ -2081,7 +2081,7 @@ vimperator.Commands = function() //{{{
             short_help: "Profile a piece of code or a command",
             help: "Runs <code class=\"argument\">{code} {count}</code> times (default 1) and returns the elapsed time. " +
                   "<code class=\"argument\">{code}</code> is always passed to JavaScript's eval(), which might be slow, so take the results with a grain of salt.<br/>" +
-                  "If <code class=\"argument\">{code}</code> starts with a :, it is executed as a vimperator command.<br/>" +
+                  "If <code class=\"argument\">{code}</code> starts with a :, it is executed as a Vimperator command.<br/>" +
                   "Use the special version with [!] if you just want to run any command multiple times without showing profiling statistics."
         }
     ));
diff --git a/content/mappings.js b/content/mappings.js
index 0adf2b74..1c3da53a 100644
--- a/content/mappings.js
+++ b/content/mappings.js
@@ -359,7 +359,7 @@ vimperator.Mappings = function() //{{{
         },
         {
             short_help: "Start caret mode",
-            help: "This mode resembles the vim normal mode where you see a text cursor and can move around. " +
+            help: "This mode resembles the Vim normal mode where you see a text cursor and can move around. " +
             "If you want to select text in this mode, press <code class=\"mapping\">v</code> to start its Visual mode."
         }
     ));
@@ -1057,7 +1057,7 @@ vimperator.Mappings = function() //{{{
         {
             short_help: "Start QuickHint mode, but open link in a new tab",
             usage: ["F{hint}"],
-            help: "Like normal QuickMode (activated with <code class='mapping'>f</code>) but opens the link in a new tab."
+            help: "Like normal QuickHint mode (activated with <code class='mapping'>f</code>) but opens the link in a new tab."
         }
     ));
 //    addDefaultMap(new vimperator.Map([vimperator.modes.NORMAL], ["F"],
@@ -1118,7 +1118,7 @@ vimperator.Mappings = function() //{{{
         {
             short_help: "Search forward for a pattern",
             usage: ["/{pattern}[/]<CR>"],
-            help: "Search forward for the first occurance of <code class=\"argument\">{pattern}</code>.<br/>" +
+            help: "Search forward for the first occurrence of <code class=\"argument\">{pattern}</code>.<br/>" +
                   "If \"\\c\" appears anywhere in the pattern the whole pattern is handled as though <code class=\"option\">'ignorecase'</code> is on. " +
                   "\"\\C\" forces case-sensitive matching for the whole pattern.<br/>" +
                   "If \"\\l\" appears in the pattern only the text of links is searched for a match as though <code class=\"option\">'linksearch'</code> is on. " +
@@ -1130,7 +1130,7 @@ vimperator.Mappings = function() //{{{
         {
             short_help: "Search backwards for a pattern",
             usage: ["?{pattern}[?]<CR>"],
-            help: "Search backward for the first occurance of <code class=\"argument\">{pattern}</code>.<br/>" +
+            help: "Search backward for the first occurrence of <code class=\"argument\">{pattern}</code>.<br/>" +
                   "If \"\\c\" appears anywhere in the pattern the whole pattern is handled as though <code class=\"option\">'ignorecase'</code> is on. " +
                   "\"\\C\" forces case-sensitive matching for the whole pattern.<br/>" +
                   "If \"\\l\" appears in the pattern only the text of links is searched for a match as though <code class=\"option\">'linksearch'</code> is on. " +
diff --git a/content/options.js b/content/options.js
index 0d4b1972..bb93ab80 100644
--- a/content/options.js
+++ b/content/options.js
@@ -458,7 +458,7 @@ vimperator.Options = function() //{{{
         {
             short_help: "Set the external text editor",
             help: "Sets the editor to run when <code class=\"mapping\">&lt;C-i&gt;</code> " +
-                  "is pressed in INSERT and TEXTAREA modes. Note that vimperator will " +
+                  "is pressed in INSERT and TEXTAREA modes. Note that Vimperator will " +
                   "not behave correctly if the editor forks its own process, such as with "+ 
                   "gvim without the -f argument.", 
             default_value: "gvim -f"