diff --git a/gdcdictionary/schemas/laboratory_result.yaml b/gdcdictionary/schemas/laboratory_result.yaml
index 8414af2..617e673 100644
--- a/gdcdictionary/schemas/laboratory_result.yaml
+++ b/gdcdictionary/schemas/laboratory_result.yaml
@@ -421,7 +421,7 @@ properties:
       If urine protein < 4, ratio usually not submitted by testing lab
     type: number
 
-  VLOAD:
+  vload:
     description: >
       Standardized viral load (copies/ml)
     type: number
diff --git a/gdcdictionary/schemas/summary_drug_use.yaml b/gdcdictionary/schemas/summary_drug_use.yaml
index de00f72..adad2dd 100644
--- a/gdcdictionary/schemas/summary_drug_use.yaml
+++ b/gdcdictionary/schemas/summary_drug_use.yaml
@@ -676,7 +676,7 @@ properties:
 
   thrpy:
     description: >
-      Type of therapy used since last visit, simplified definition suggested on June 2, 2009
+      Type of therapy used to treat human immunodeficiency virus (HIV) infection that uses a combination of several antiretroviral drugs used since last visit. The therapy inhibits the ability of the virus to multiply in the body, and they slow down the development of AIDS.
     enum:
       - "No therapy"
       - "Mono therapy"
@@ -689,7 +689,7 @@ properties:
 
   thrpyv:
     description: >
-      Type of therapy used at visit, simplified definition suggested on June 2, 2009
+      Type of therapy used to treat human immunodeficiency virus (HIV) infection that uses a combination of several antiretroviral drugs used at visit. The therapy inhibits the ability of the virus to multiply in the body, and they slow down the development of AIDS.
     enum:
       - "No therapy"
       - "Mono therapy"
diff --git a/gdcdictionary/schemas/summary_lab_result.yaml b/gdcdictionary/schemas/summary_lab_result.yaml
index 63ce743..60a4b39 100644
--- a/gdcdictionary/schemas/summary_lab_result.yaml
+++ b/gdcdictionary/schemas/summary_lab_result.yaml
@@ -311,12 +311,12 @@ properties:
         term_id: C85533
         term_version: 18.12e (Release date:2018-12-31)
 
-  VLOAD:
+  vload:
     description: >
       Standardized viral load (copies/ml)
     type: number
     termDef:
-       - term: VLOAD
+       - term: vload
          source: NCI Thesaurus
          term_id: C51952
          term_version: 18.10e (Release date:2018-10-29)