diff --git a/src/fvOptions/sources/derived/actuationDiskSource/actuationDiskSource.H b/src/fvOptions/sources/derived/actuationDiskSource/actuationDiskSource.H
index 0411e6e81a..66a673ed3e 100644
--- a/src/fvOptions/sources/derived/actuationDiskSource/actuationDiskSource.H
+++ b/src/fvOptions/sources/derived/actuationDiskSource/actuationDiskSource.H
@@ -49,7 +49,7 @@ Usage
     \verbatim
     actuationDiskSourceCoeffs
     {
-        fieldNames      (U);        // names of fields to apply source
+        fields          (U);        // names of fields to apply source
         diskDir         (-1 0 0);   // disk direction
         Cp              0.1;        // power coefficient
         Ct              0.5;        // thrust coefficient
diff --git a/src/fvOptions/sources/derived/buoyancyEnergy/buoyancyEnergy.H b/src/fvOptions/sources/derived/buoyancyEnergy/buoyancyEnergy.H
index e120834482..6f6a79584c 100644
--- a/src/fvOptions/sources/derived/buoyancyEnergy/buoyancyEnergy.H
+++ b/src/fvOptions/sources/derived/buoyancyEnergy/buoyancyEnergy.H
@@ -33,7 +33,7 @@ Usage
     \verbatim
     buoyancyEnergyCoeffs
     {
-        fieldNames      (h);                    // Name of energy field
+        fields          (h);                    // Name of energy field
     }
     \endverbatim
 
diff --git a/src/fvOptions/sources/derived/buoyancyForce/buoyancyForce.H b/src/fvOptions/sources/derived/buoyancyForce/buoyancyForce.H
index 691938f2d7..c6203e0557 100644
--- a/src/fvOptions/sources/derived/buoyancyForce/buoyancyForce.H
+++ b/src/fvOptions/sources/derived/buoyancyForce/buoyancyForce.H
@@ -33,7 +33,7 @@ Usage
     \verbatim
     buoyancyForceCoeffs
     {
-        fieldNames      (U);                    // Name of velocity field
+        fields          (U);                    // Name of velocity field
     }
     \endverbatim
 
diff --git a/src/fvOptions/sources/derived/meanVelocityForce/meanVelocityForce.H b/src/fvOptions/sources/derived/meanVelocityForce/meanVelocityForce.H
index c05b8d43e6..fc12440bce 100644
--- a/src/fvOptions/sources/derived/meanVelocityForce/meanVelocityForce.H
+++ b/src/fvOptions/sources/derived/meanVelocityForce/meanVelocityForce.H
@@ -36,7 +36,7 @@ Usage
     meanVelocityForceCoeffs
     {
         selectionMode   all;                    // Apply force to all cells
-        fieldNames      (U);                    // Name of velocity field
+        fields          (U);                    // Name of velocity field
         Ubar            (10.0 0 0);             // Desired mean velocity
         relaxation      0.2;                    // Optional relaxation factor
     }
diff --git a/src/fvOptions/sources/derived/meanVelocityForce/patchMeanVelocityForce/patchMeanVelocityForce.H b/src/fvOptions/sources/derived/meanVelocityForce/patchMeanVelocityForce/patchMeanVelocityForce.H
index 8cac6a950d..7413cd497e 100644
--- a/src/fvOptions/sources/derived/meanVelocityForce/patchMeanVelocityForce/patchMeanVelocityForce.H
+++ b/src/fvOptions/sources/derived/meanVelocityForce/patchMeanVelocityForce/patchMeanVelocityForce.H
@@ -36,7 +36,7 @@ Usage
     patchMeanVelocityForceCoeffs
     {
         selectionMode   all;                    // Apply force to all cells
-        fieldNames      (U);                    // Name of velocity field
+        fields          (U);                    // Name of velocity field
         patch           inlet;                  // Name of the patch
         Ubar            (10.0 0 0);             // Desired mean velocity
         relaxation      0.2;                    // Optional relaxation factor
diff --git a/src/fvOptions/sources/derived/rotorDiskSource/rotorDiskSource.H b/src/fvOptions/sources/derived/rotorDiskSource/rotorDiskSource.H
index 1135d5c611..d928e2f2ca 100644
--- a/src/fvOptions/sources/derived/rotorDiskSource/rotorDiskSource.H
+++ b/src/fvOptions/sources/derived/rotorDiskSource/rotorDiskSource.H
@@ -35,7 +35,7 @@ Usage
     \verbatim
     rotorDiskSourceCoeffs
     {
-        fieldNames      (U);    // names of fields on which to apply source
+        fields          (U);    // names of fields on which to apply source
         nBlades         3;      // number of blades
         tipEffect       0.96;   // normalised radius above which lift = 0