[gimp] INSTALL: pretty-fix and conjugation error.

[Jehan Pagès <jehanp src gnome org>]

commit 4f0ee8b9b5d0eb4963111c9c46bb5fe8fe511fe3
Author: Jehan <jehan girinstud io>
Date:   Tue Jun 14 00:07:12 2016 +0200

    INSTALL: pretty-fix and conjugation error.

 INSTALL.in |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/INSTALL.in b/INSTALL.in
index e5cb97a..4645642 100644
--- a/INSTALL.in
+++ b/INSTALL.in
@@ -184,9 +184,9 @@ compilation and installation output is not shown.
 
   % tar xvfz gimp- GIMP_VERSION@.tar.gz   # unpack the sources
   % cd gimp- GIMP_VERSION@                # change to the toplevel directory
-  % ./configure                  # run the `configure' script
-  % make                         # build GIMP
-  % make install                 # install GIMP
+  % ./configure                           # run the `configure' script
+  % make                                  # build GIMP
+  % make install                          # install GIMP
 
 
 The `configure' script examines your system, and adapts GIMP to run on
@@ -305,7 +305,7 @@ These are:
   --with-sendmail[=PATH]. This option is used to tell GIMP to send email
      through sendmail instead of xdg-email. You can optionally indicate
      where to find the sendmail command. Otherwise sendmail will simply
-     be search in your $PATH at runtime.
+     be searched in your $PATH at runtime.
 
   --with-desktop-dir=[PATH]. This option specifies where to install
      desktop files. These files are used by desktop environments that