diff --git a/README.md b/README.md
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@@ -1,3 +1,5 @@
 # gsrs-spring-module-impurities
-GSRS Spring Boot Module for Impurities
-This is a readme file.
+GSRS Spring Boot Module for Impurities.
+
+This module manages specifications for impurities present in substances.
+Therefore, it has a strong dependency on the substance module.