Fix small spelling error in build/core/main.mk

Bug: N/A
Change-Id: I858fb4b23a1c85035c59c42d8e3260fd376f941c
Test: N/A
diff --git a/core/main.mk b/core/main.mk
index cb4dca6..8dc00e5 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -1390,7 +1390,7 @@
     $(CUSTOM_MODULES) \
   )
 
-# Dedpulicate compatibility suite dist files across modules and packages before
+# Deduplicate compatibility suite dist files across modules and packages before
 # copying them to their requested locations. Assign the eval result to an unused
 # var to prevent Make from trying to make a sense of it.
 _unused := $(call copy-many-files, $(sort $(ALL_COMPATIBILITY_DIST_FILES)))