diff --git a/src/thermophysicalModels/basic/basicThermo/basicThermo.H b/src/thermophysicalModels/basic/basicThermo/basicThermo.H
index 9bdb96e2e3..d4e13e369c 100644
--- a/src/thermophysicalModels/basic/basicThermo/basicThermo.H
+++ b/src/thermophysicalModels/basic/basicThermo/basicThermo.H
@@ -25,7 +25,7 @@ Class
     Foam::basicThermo
 
 Description
-    Basic thermodynamic properties
+    Abstract base-class for fluid and solid thermodynamic properties
 
 SourceFiles
     basicThermo.C
diff --git a/src/thermophysicalModels/basic/fluidThermo/fluidThermo.H b/src/thermophysicalModels/basic/fluidThermo/fluidThermo.H
index b7c964fc00..d1b7f23bdf 100644
--- a/src/thermophysicalModels/basic/fluidThermo/fluidThermo.H
+++ b/src/thermophysicalModels/basic/fluidThermo/fluidThermo.H
@@ -25,7 +25,7 @@ Class
     Foam::fluidThermo
 
 Description
-    Basic thermodynamic properties
+    Fundamental fluid thermodynamic properties
 
 SourceFiles
     fluidThermo.C
diff --git a/src/thermophysicalModels/solidThermo/solidThermo/solidThermo.H b/src/thermophysicalModels/solidThermo/solidThermo/solidThermo.H
index 62fbbeba7e..075907903a 100644
--- a/src/thermophysicalModels/solidThermo/solidThermo/solidThermo.H
+++ b/src/thermophysicalModels/solidThermo/solidThermo/solidThermo.H
@@ -25,7 +25,7 @@ Class
     Foam::solidThermo
 
 Description
-    Basic solid thermodynamic properties
+    Fundamental solid thermodynamic properties
 
 SourceFiles
     solidThermo.C