diff --git a/src/OpenFOAM/global/constants/atomic/atomicConstants.C b/src/OpenFOAM/global/constants/atomic/atomicConstants.C
index fa787fdb2e377fc68e01aba8332ade8d7f692c89..7afe7c390081436173fbfdd58cb332fd579df082 100644
--- a/src/OpenFOAM/global/constants/atomic/atomicConstants.C
+++ b/src/OpenFOAM/global/constants/atomic/atomicConstants.C
@@ -27,7 +27,6 @@ License
 #include "universalConstants.H"
 #include "electromagneticConstants.H"
 #include "atomicConstants.H"
-
 #include "dimensionedConstants.H"
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
diff --git a/src/OpenFOAM/global/constants/constants.C b/src/OpenFOAM/global/constants/constants.C
index 926bcdf1a631c59b721d4522a1cf662b76c9ecab..c1f653e137e4c99a824b260ec23e6765965301d7 100644
--- a/src/OpenFOAM/global/constants/constants.C
+++ b/src/OpenFOAM/global/constants/constants.C
@@ -23,8 +23,6 @@ License
 
 \*---------------------------------------------------------------------------*/
 
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
-
 // Constants supplied in the main controlDict
 #include "fundamentalConstants.C"
 
diff --git a/src/OpenFOAM/global/constants/constants.H b/src/OpenFOAM/global/constants/constants.H
index ae139b035e00ab883465912368f80762c7067570..5ce8b5f696f3e785e81090f073190b5946d9846b 100644
--- a/src/OpenFOAM/global/constants/constants.H
+++ b/src/OpenFOAM/global/constants/constants.H
@@ -25,7 +25,7 @@ Namespace
     Foam::constant
 
 Description
-    Collection of constants
+    Different types of constants
 
 \*---------------------------------------------------------------------------*/
 
@@ -34,10 +34,7 @@ Description
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-// Mathematical constants
 #include "mathematicalConstants.H"
-
-// Fundamental constants
 #include "fundamentalConstants.H"
 
 // Derived constants
diff --git a/src/OpenFOAM/global/constants/electromagnetic/electromagneticConstants.C b/src/OpenFOAM/global/constants/electromagnetic/electromagneticConstants.C
index f68f7c0ff8d74723e5d89ec630c58e6a7403b829..b08b88881b688919d527a6fb0c97bb21ffb95117 100644
--- a/src/OpenFOAM/global/constants/electromagnetic/electromagneticConstants.C
+++ b/src/OpenFOAM/global/constants/electromagnetic/electromagneticConstants.C
@@ -27,7 +27,6 @@ License
 #include "universalConstants.H"
 #include "electromagneticConstants.H"
 #include "atomicConstants.H"
-
 #include "dimensionedConstants.H"
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
diff --git a/src/OpenFOAM/global/constants/fundamental/fundamentalConstants.C b/src/OpenFOAM/global/constants/fundamental/fundamentalConstants.C
index d3d3e5c02467308f5d0a9df34ffed6f05545a39b..a187237aed3e15dc769be34f9ca66375c0a0314a 100644
--- a/src/OpenFOAM/global/constants/fundamental/fundamentalConstants.C
+++ b/src/OpenFOAM/global/constants/fundamental/fundamentalConstants.C
@@ -21,9 +21,6 @@ License
     You should have received a copy of the GNU General Public License
     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
-Description
-    Fundamental dimensioned constants
-
 \*---------------------------------------------------------------------------*/
 
 #include "fundamentalConstants.H"
@@ -32,13 +29,10 @@ Description
 #include "electromagneticConstants.H"
 #include "atomicConstants.H"
 #include "physicoChemicalConstants.H"
-
 #include "dimensionedConstants.H"
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-// Universal constants
-
 namespace Foam
 {
 namespace constant
diff --git a/src/OpenFOAM/global/constants/fundamental/fundamentalConstants.H b/src/OpenFOAM/global/constants/fundamental/fundamentalConstants.H
index 4b5488902fd731ec032620be41fa7ab81ec08f51..98bd98a50679e9a8e5a6f2aa92f1cb1719b313b5 100644
--- a/src/OpenFOAM/global/constants/fundamental/fundamentalConstants.H
+++ b/src/OpenFOAM/global/constants/fundamental/fundamentalConstants.H
@@ -79,6 +79,7 @@ namespace physicoChemical
     extern const dimensionedScalar k;
 }
 
+//- Standard values
 namespace standard
 {
     //- Standard pressure
diff --git a/src/OpenFOAM/global/constants/mathematical/mathematicalConstants.H b/src/OpenFOAM/global/constants/mathematical/mathematicalConstants.H
index a71217514791c512f83b185b6a06c6dbed914f88..442d4c54dde6cb8f313bc934827e3f6caa3632ce 100644
--- a/src/OpenFOAM/global/constants/mathematical/mathematicalConstants.H
+++ b/src/OpenFOAM/global/constants/mathematical/mathematicalConstants.H
@@ -25,7 +25,7 @@ Namespace
     Foam::constant::mathematical
 
 Description
-    mathematical constants.
+    Mathematical constants.
 
 \*---------------------------------------------------------------------------*/
 
diff --git a/src/OpenFOAM/global/constants/thermodynamic/thermodynamicConstants.H b/src/OpenFOAM/global/constants/thermodynamic/thermodynamicConstants.H
index 0c8378f87f48ff1515c6574c16b0d1c4a88ef694..ccca99a256f94ade652a9d33216108c4b499f581 100644
--- a/src/OpenFOAM/global/constants/thermodynamic/thermodynamicConstants.H
+++ b/src/OpenFOAM/global/constants/thermodynamic/thermodynamicConstants.H
@@ -43,13 +43,13 @@ namespace thermodynamic
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-    //- Universal gas constant (default in [J/(kmol K)])
+    //- Universal gas constant: default in [J/(kmol K)]
     extern const scalar RR;
 
-    //- Standard pressure (default in [Pa])
+    //- Standard pressure: default in [Pa]
     extern const scalar Pstd;
 
-    //- Standard temperature (default in [K])
+    //- Standard temperature: default in [K]
     extern const scalar Tstd;
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
diff --git a/src/OpenFOAM/global/constants/universal/universalConstants.C b/src/OpenFOAM/global/constants/universal/universalConstants.C
index aed91c8863fedbd3d0353e269d0711f78d68268a..d0caf52f10d7639178ce2a2c2db29234c8e165fc 100644
--- a/src/OpenFOAM/global/constants/universal/universalConstants.C
+++ b/src/OpenFOAM/global/constants/universal/universalConstants.C
@@ -25,7 +25,6 @@ License
 
 #include "universalConstants.H"
 #include "mathematicalConstants.H"
-
 #include "dimensionedConstants.H"
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //