Merge pull request #323 from algonell/master

Add missing 'is'

Author: jserv

lkmpg.tex

@@ -1148,7 +1148,7 @@ \section{The /proc File System}
 
 Because we don't get called when the file is opened or closed, there's nowhere for us to put \cpp|try_module_get| and \cpp|module_put| in this module, and if the file is opened and then the module is removed, there's no way to avoid the consequences.
 
-Here a simple example showing how to use a \verb|/proc| file.
+Here is a simple example showing how to use a \verb|/proc| file.
 This is the HelloWorld for the \verb|/proc| filesystem.
 There are three parts: create the file \verb|/proc/helloworld| in the function \cpp|init_module|, return a value (and a buffer) when the file \verb|/proc/helloworld| is read in the callback function \cpp|procfile_read|, and delete the file \verb|/proc/helloworld| in the function \cpp|cleanup_module|.