diff --git a/data/tabular/RedDB/meta.yaml b/data/tabular/RedDB/meta.yaml
index f2e73569e..bb1c60312 100644
--- a/data/tabular/RedDB/meta.yaml
+++ b/data/tabular/RedDB/meta.yaml
@@ -192,9 +192,9 @@ templates:
             Result: {InChI#}
     - |-
       Task: Please {#give me|create|generate!} a {#molecule|compound|chemical|molecular species|chemical compound!} with the {SMILES__description} based on the {#text |!}description{# below|!}.
-            Description: It has a  {solutionLumo__names__noun} {solutionLumo#} {solutionLumo__units} and a {solutionHomo__names__noun} of {solutionHomo#} {solutionHomo__units}.
+            Description: It has an {solutionLumo__names__noun} {solutionLumo#} {solutionLumo__units} and a {solutionHomo__names__noun} of {solutionHomo#} {solutionHomo__units}.
             Result: {SMILES#}
     - |-
       Task: Please {#give me|create|generate!} a {#molecule|compound|chemical|molecular species|chemical compound!} with the {InChI__description} based on the {#text |!}description{# below|!}.
-            Description: It has a  {solutionLumo__names__noun} {solutionLumo#} {solutionLumo__units} and a {solutionHomo__names__noun} of {solutionHomo#} {solutionHomo__units}.
+            Description: It has an {solutionLumo__names__noun} {solutionLumo#} {solutionLumo__units} and a {solutionHomo__names__noun} of {solutionHomo#} {solutionHomo__units}.
             Result: {InChI#}
diff --git a/data/tabular/RedDB/transform.py b/data/tabular/RedDB/transform.py
index 30898b413..6cfe4bf97 100644
--- a/data/tabular/RedDB/transform.py
+++ b/data/tabular/RedDB/transform.py
@@ -213,10 +213,10 @@ def read_dataset():
       Description: It has an {solubilityAqSolPred__names__noun} {solubilityAqSolPred#} {solubilityAqSolPred__units} and a {cavityEnergy__names__noun} of {cavityEnergy#} {cavityEnergy__units}.
       Result: {InChI#}""",  # noqa: E501
             """Task: Please {#give me|create|generate!} a {#molecule|compound|chemical|molecular species|chemical compound!} with the {SMILES__description} based on the {#text |!}description{# below|!}.
-      Description: It has a  {solutionLumo__names__noun} {solutionLumo#} {solutionLumo__units} and a {solutionHomo__names__noun} of {solutionHomo#} {solutionHomo__units}.
+      Description: It has an {solutionLumo__names__noun} {solutionLumo#} {solutionLumo__units} and a {solutionHomo__names__noun} of {solutionHomo#} {solutionHomo__units}.
       Result: {SMILES#}""",  # noqa: E501
             """Task: Please {#give me|create|generate!} a {#molecule|compound|chemical|molecular species|chemical compound!} with the {InChI__description} based on the {#text |!}description{# below|!}.
-      Description: It has a  {solutionLumo__names__noun} {solutionLumo#} {solutionLumo__units} and a {solutionHomo__names__noun} of {solutionHomo#} {solutionHomo__units}.
+      Description: It has an {solutionLumo__names__noun} {solutionLumo#} {solutionLumo__units} and a {solutionHomo__names__noun} of {solutionHomo#} {solutionHomo__units}.
       Result: {InChI#}""",  # noqa: E501
         ],
     }