diff --git a/education/nutrition/Proteins.md b/education/nutrition/Proteins.md
index f420770..77cbb06 100644
--- a/education/nutrition/Proteins.md
+++ b/education/nutrition/Proteins.md
@@ -88,4 +88,4 @@ Summary:
 - High quality (complete) protein is a protein that contains all essential amino acids in amounts that support the deposition of protein in tissues and the growth of a young person.
 	- Meat, fish, poultry, eggs, **milk**
 - Low quality (incomplete) protein is a protein that lacks or has inadequate amounts of one or more of the essential amino acids
-- 
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+- A limiting amino acid is the essential amino acid found in the lowest concentration of a particular protein source
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