Doc/kbuild/kconfig-language.txt: several spellings

index 350f733..8267f47 100644
@@ -35,7 +35,7 @@ config MODVERSIONS
 	  kernel.  ...
 
 Every line starts with a key word and can be followed by multiple
-arguments.  "config" starts a new config entry. The following lines
+arguments. "config" starts a new config entry. The following lines
 define attributes for this config option. Attributes can be the type of
 the config option, input prompt, dependencies, help text and default
 values. A config option can be defined multiple times with the same

@@ -114,7 +114,7 @@ applicable everywhere (see syntax).
 	the illegal configurations all over.
 
 - limiting menu display: "visible if" <expr>
-  This attribute is only applicable to menu blocks, if the condition is
+  This attribute is only applicable to menu blocks; if the condition is
   false, the menu block is not displayed to the user (the symbols
   contained there can still be selected by other symbols, though). It is
   similar to a conditional "prompt" attribute for individual menu

@@ -142,7 +142,7 @@ applicable everywhere (see syntax).
   - "defconfig_list"
     This declares a list of default entries which can be used when
     looking for the default configuration (which is used when the main
-    .config doesn't exists yet.)
+    .config doesn't exist yet.)
 
   - "modules"
     This declares the symbol to be used as the MODULES symbol, which

@@ -288,14 +288,14 @@ This defines a choice group and accepts any of the above attributes as
 options. A choice can only be of type bool or tristate, while a boolean
 choice only allows a single config entry to be selected, a tristate
 choice also allows any number of config entries to be set to 'm'. This
-can be used if multiple drivers for a single hardware exists and only a
+can be used if multiple drivers for a single hardware exist and only a
 single driver can be compiled/loaded into the kernel, but all drivers
 can be compiled as modules.
 A choice accepts another option "optional", which allows to set the
 choice to 'n' and no entry needs to be selected.
 If no [symbol] is associated with a choice, then you can not have multiple
 definitions of that choice. If a [symbol] is associated to the choice,
-then you may define the same choice (ie. with the same entries) in another
+then you may define the same choice (i.e. with the same entries) in another
 place.
 
 comment:

@@ -350,7 +350,7 @@ files.
 
 Adding common features and make the usage configurable
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-It is a common idiom to implement a feature/functionality that are
+It is a common idiom to implement a feature/functionality that is
 relevant for some architectures but not all.
 The recommended way to do so is to use a config variable named HAVE_*
 that is defined in a common Kconfig file and selected by the relevant