documentation: remove unnecessary hyphens

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Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Documentation/ReviewingGuidelines.txt

diff --git a/Documentation/ReviewingGuidelines.txt b/Documentation/ReviewingGuidelines.txt
index 3e98c8a..515d470 100644
--- a/Documentation/ReviewingGuidelines.txt
+++ b/Documentation/ReviewingGuidelines.txt
@@ -126,7 +126,7 @@
 -----------
 nit: ::
 	Denotes a small issue that should be fixed, such as a typographical error
-	or mis-alignment of conditions in an `if()` statement.
+	or misalignment of conditions in an `if()` statement.
 
 aside: ::
 optional: ::

Documentation/git-check-attr.txt

diff --git a/Documentation/git-check-attr.txt b/Documentation/git-check-attr.txt
index 6e4f3aa..7fea245 100644
--- a/Documentation/git-check-attr.txt
+++ b/Documentation/git-check-attr.txt
@@ -29,7 +29,7 @@
 
 --stdin::
 	Read pathnames from the standard input, one per line,
-	instead of from the command-line.
+	instead of from the command line.
 
 -z::
 	The output format is modified to be machine-parsable.

Documentation/git-merge-base.txt

diff --git a/Documentation/git-merge-base.txt b/Documentation/git-merge-base.txt
index 463764b..5cdcb56 100644
--- a/Documentation/git-merge-base.txt
+++ b/Documentation/git-merge-base.txt
@@ -130,7 +130,7 @@
 ---2---o---o---B
 ....
 
-both '1' and '2' are merge-bases of A and B.  Neither one is better than
+both '1' and '2' are merge bases of A and B.  Neither one is better than
 the other (both are 'best' merge bases).  When the `--all` option is not given,
 it is unspecified which best one is output.