Fix minor typoes in kernel/module.c

Fix minor (comment) typoes in kernel/module.c.

Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/kernel/module.c b/kernel/module.c
index d36e454..9bd93de 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -96,9 +96,9 @@
 	mod->taints |= flag;
 }
 
-/* A thread that wants to hold a reference to a module only while it
- * is running can call ths to safely exit.
- * nfsd and lockd use this.
+/*
+ * A thread that wants to hold a reference to a module only while it
+ * is running can call this to safely exit.  nfsd and lockd use this.
  */
 void __module_put_and_exit(struct module *mod, long code)
 {
@@ -1199,7 +1199,7 @@
 	return 0;
 }
 
-/* Free a module, remove from lists, etc (must hold module mutex). */
+/* Free a module, remove from lists, etc (must hold module_mutex). */
 static void free_module(struct module *mod)
 {
 	/* Delete from various lists */
@@ -1246,7 +1246,7 @@
 
 /*
  * Ensure that an exported symbol [global namespace] does not already exist
- * in the Kernel or in some other modules exported symbol table.
+ * in the kernel or in some other module's exported symbol table.
  */
 static int verify_export_symbols(struct module *mod)
 {