diff --git a/scientific/libmpc/libmpc.conf b/scientific/libmpc/libmpc.conf
index dd9e1a017..4abf77fc9 100644
--- a/scientific/libmpc/libmpc.conf
+++ b/scientific/libmpc/libmpc.conf
@@ -12,14 +12,14 @@
 # GNU General Public License can be found in the file COPYING.
 # --- SDE-COPYRIGHT-NOTE-END ---
 
-# help configure to find the native gmp we built in the toolchain directory
 if atstage toolchain; then
-        var_append extraconfopt ' ' "--with-gmp-include=$( pkgprefix -r includedir gmp )"
-        var_append extraconfopt ' ' "--with-gmp-lib=$( pkgprefix -r libdir gmp )"
+	# help to find the correct gmp libraries and headers
+	var_append extraconfopt ' ' "--with-gmp-include=$( pkgprefix -r includedir gmp )"
+	var_append extraconfopt ' ' "--with-gmp-lib=$( pkgprefix -r libdir gmp )"
 
 	# help to find the correct mpfr library and headers
 	var_append extraconfopt ' ' "--with-mpfr-include=$( pkgprefix -r includedir mpfr )"
 	var_append extraconfopt ' ' "--with-mpfr-lib=$( pkgprefix -r libdir mpfr )"
 
-        var_append extraconfopt ' ' "--enable-shared=no"
+	var_append extraconfopt ' ' "--enable-shared=no"
 fi