diff --git a/Makefile b/Makefile
index 9cc77c55c..550be8195 100644
--- a/Makefile
+++ b/Makefile
@@ -487,7 +487,7 @@ $(SUBPROJECTS): %: %-allkm
 .PHONY: %
 %:
 	# Check if we have the CMP tool installed
-	cmp --version >/dev/null 2>&1; if [ $$? -gt 0 ]; then printf "$(MSG_NO_CMP)"; exit 1; fi;
+	cmp $(ROOT_DIR)/Makefile $(ROOT_DIR)/Makefile >/dev/null 2>&1; if [ $$? -gt 0 ]; then printf "$(MSG_NO_CMP)"; exit 1; fi;
 	# Check if the submodules are dirty, and display a warning if they are
 ifndef SKIP_GIT
 	git submodule status --recursive 2>/dev/null | \
@@ -537,4 +537,4 @@ BUILD_DATE := $(shell date +"%Y-%m-%d-%H:%M:%S")
 $(shell echo '#define QMK_VERSION "$(GIT_VERSION)"' > $(ROOT_DIR)/quantum/version.h)
 $(shell echo '#define QMK_BUILDDATE "$(BUILD_DATE)"' >> $(ROOT_DIR)/quantum/version.h)
 
-include $(ROOT_DIR)/testlist.mk
\ No newline at end of file
+include $(ROOT_DIR)/testlist.mk
diff --git a/quantum/keymap_extras/keymap_br_abnt2.h b/quantum/keymap_extras/keymap_br_abnt2.h
index 0df177721..b001139dd 100644
--- a/quantum/keymap_extras/keymap_br_abnt2.h
+++ b/quantum/keymap_extras/keymap_br_abnt2.h
@@ -1,3 +1,19 @@
+/* Copyright 2017 Potiguar Faga
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #ifndef KEYMAP_BR_ABNT2_H
 #define KEYMAP_BR_ABNT2_H