[PATCH v2 1/4] doc: use 'symmetric difference' consistently

[Philip Oakley <philipoakley@iee.org>]

Signed-off-by: Philip Oakley <philipoakley@iee.org>
---
 Documentation/gitk.txt             | 2 +-
 Documentation/rev-list-options.txt | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Documentation/gitk.txt b/Documentation/gitk.txt
index 6ade002..6c3eb15 100644
--- a/Documentation/gitk.txt
+++ b/Documentation/gitk.txt
@@ -70,7 +70,7 @@ linkgit:git-rev-list[1] for a complete list.
 
 --left-right::
 
-	Mark which side of a symmetric diff a commit is reachable
+	Mark which side of a symmetric difference a commit is reachable
 	from.  Commits from the left side are prefixed with a `<`
 	symbol and those from the right with a `>` symbol.
 
diff --git a/Documentation/rev-list-options.txt b/Documentation/rev-list-options.txt
index 4f009d4..6dc0bb0 100644
--- a/Documentation/rev-list-options.txt
+++ b/Documentation/rev-list-options.txt
@@ -225,7 +225,7 @@ excluded from the output.
 
 --left-only::
 --right-only::
-	List only commits on the respective side of a symmetric range,
+	List only commits on the respective side of a symmetric difference,
 	i.e. only those which would be marked `<` resp. `>` by
 	`--left-right`.
 +
@@ -766,7 +766,7 @@ ifdef::git-rev-list[]
 endif::git-rev-list[]
 
 --left-right::
-	Mark which side of a symmetric diff a commit is reachable from.
+	Mark which side of a symmetric difference a commit is reachable from.
 	Commits from the left side are prefixed with `<` and those from
 	the right with `>`.  If combined with `--boundary`, those
 	commits are prefixed with `-`.
-- 
2.8.4.windows.1.3.ge328a54