Fix typo in sysprop.mk and Changes.md

android_info_pro -> android_info_prop
partititon -> partition
PRODUCT_SYSTEM_PROPERITES -> PRODUCT_SYSTEM_PROPERTIES

Test: build and manual test

Signed-off-by: Donghyun Jo <donghyun.jo@samsung.com>
Change-Id: I0b7f0566aaa5ce8844003bb4f373389c20ddeb88
diff --git a/Changes.md b/Changes.md
index 84c8d95..0a6adc4 100644
--- a/Changes.md
+++ b/Changes.md
@@ -17,9 +17,9 @@
 System properties for each of the partition is supposed to be set via following
 product config variables.
 
-For system partititon,
+For system partition,
 
-* `PRODUCT_SYSTEM_PROPERITES`
+* `PRODUCT_SYSTEM_PROPERTIES`
 * `PRODUCT_SYSTEM_DEFAULT_PROPERTIES` is highly discouraged. Will be deprecated.
 
 For vendor partition,
diff --git a/core/sysprop.mk b/core/sysprop.mk
index df27067..359d3d2 100644
--- a/core/sysprop.mk
+++ b/core/sysprop.mk
@@ -331,7 +331,7 @@
 $(android_info_prop): $(INSTALLED_ANDROID_INFO_TXT_TARGET)
 	cat $< | grep 'require version-' | sed -e 's/require version-/ro.build.expect./g' > $@
 
-_prop_files_ += $(android_info_pro)
+_prop_files_ += $(android_info_prop)
 
 ifdef property_overrides_split_enabled
 # Order matters here. When there are duplicates, the last one wins.