UBIFS: various minor commentary fixes

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
diff --git a/fs/ubifs/budget.c b/fs/ubifs/budget.c
index eaf6d89..c1f3f99 100644
--- a/fs/ubifs/budget.c
+++ b/fs/ubifs/budget.c
@@ -741,7 +741,7 @@
  * ubifs_get_free_space - return amount of free space.
  * @c: UBIFS file-system description object
  *
- * This function calculates and retuns amount of free space to report to
+ * This function calculates and returns amount of free space to report to
  * user-space.
  */
 long long ubifs_get_free_space(struct ubifs_info *c)
diff --git a/fs/ubifs/lprops.c b/fs/ubifs/lprops.c
index 00f19b4..89b355a 100644
--- a/fs/ubifs/lprops.c
+++ b/fs/ubifs/lprops.c
@@ -281,7 +281,7 @@
 	case LPROPS_FREE:
 		if (add_to_lpt_heap(c, lprops, cat))
 			break;
-		/* No more room on heap so make it uncategorized */
+		/* No more room on heap so make it un-categorized */
 		cat = LPROPS_UNCAT;
 		/* Fall through */
 	case LPROPS_UNCAT:
@@ -375,8 +375,8 @@
  * @lprops: LEB properties
  *
  * A LEB may have fallen off of the bottom of a heap, and ended up as
- * uncategorized even though it has enough space for us now. If that is the case
- * this function will put the LEB back onto a heap.
+ * un-categorized even though it has enough space for us now. If that is the
+ * case this function will put the LEB back onto a heap.
  */
 void ubifs_ensure_cat(struct ubifs_info *c, struct ubifs_lprops *lprops)
 {
@@ -436,10 +436,10 @@
 /**
  * change_category - change LEB properties category.
  * @c: UBIFS file-system description object
- * @lprops: LEB properties to recategorize
+ * @lprops: LEB properties to re-categorize
  *
  * LEB properties are categorized to enable fast find operations. When the LEB
- * properties change they must be recategorized.
+ * properties change they must be re-categorized.
  */
 static void change_category(struct ubifs_info *c, struct ubifs_lprops *lprops)
 {
@@ -518,7 +518,7 @@
  * @free: new free space amount
  * @dirty: new dirty space amount
  * @flags: new flags
- * @idx_gc_cnt: change to the count of idx_gc list
+ * @idx_gc_cnt: change to the count of @idx_gc list
  *
  * This function changes LEB properties (@free, @dirty or @flag). However, the
  * property which has the %LPROPS_NC value is not changed. Returns a pointer to
@@ -535,7 +535,7 @@
 {
 	/*
 	 * This is the only function that is allowed to change lprops, so we
-	 * discard the const qualifier.
+	 * discard the "const" qualifier.
 	 */
 	struct ubifs_lprops *lprops = (struct ubifs_lprops *)lp;