diff --git a/IBPSA/Electrical/BaseClasses/PV/PVElectricalSingleDiodeMPP.mo b/IBPSA/Electrical/BaseClasses/PV/PVElectricalSingleDiodeMPP.mo
index ef05c4149a..8f386e5b0a 100644
--- a/IBPSA/Electrical/BaseClasses/PV/PVElectricalSingleDiodeMPP.mo
+++ b/IBPSA/Electrical/BaseClasses/PV/PVElectricalSingleDiodeMPP.mo
@@ -1,6 +1,6 @@
 within IBPSA.Electrical.BaseClasses.PV;
 model PVElectricalSingleDiodeMPP "Analytical 5-p model for PV I-V
-  characteristics with temp. dependency based on 5 parameters with automatic MPP control"
+  characteristics with temperature dependency based on 5 parameters with automatic MPP control"
   extends
     IBPSA.Electrical.BaseClasses.PV.BaseClasses.PartialPVElectricalSingleDiode;
 
@@ -22,7 +22,7 @@ model PVElectricalSingleDiodeMPP "Analytical 5-p model for PV I-V
 // Additional parameters and constants
 
   constant Real euler=Modelica.Math.exp(1.0)
-   "Euler's constant";
+   "Eulers constant";
   constant Real q(unit = "A.s")= 1.602176620924561e-19
    "Electron charge";
 
@@ -51,7 +51,7 @@ model PVElectricalSingleDiodeMPP "Analytical 5-p model for PV I-V
 
 equation
 
-  // Analytical parameter extraction equations under standard conditions (Batzelis et al., 2016)
+  // Analytical parameter extraction equations under standard conditions (Batzelis et al, 2016)
 
   a_0 = V_oc0*(1-TCel0*beta_Voc)/(50.1-TCel0*alpha_Isc);
 
@@ -65,7 +65,7 @@ equation
 
   I_s0 = I_ph0*exp(-1/(a_0/V_oc0));
 
-  // Parameter extrapolation equations to operating conditions (DeSoto et al.,2006)
+  // Parameter extrapolation equations to operating conditions (DeSoto et al, 2006)
 
   a/a_0 = TCel/TCel0;
 
@@ -79,7 +79,7 @@ equation
 
   R_sh/R_sh0 = if noEvent(absRadRat > Modelica.Constants.eps) then 1/absRadRat else 0;
 
-  //Simplified Power correlations at MPP using lambert W function (Batzelis et al., 2016)
+  //Simplified Power correlations at MPP using lambert W function (Batzelis et al, 2016)
 
   I_mp = if noEvent(absRadRat <= Modelica.Constants.eps or w<=Modelica.Constants.eps) then 0
          else I_ph*(1-1/w)-a*(w-1)/R_sh;
diff --git a/IBPSA/Electrical/BaseClasses/PV/PVOpticalAbsRat.mo b/IBPSA/Electrical/BaseClasses/PV/PVOpticalAbsRat.mo
index 3a1adc4839..90d1e4220d 100644
--- a/IBPSA/Electrical/BaseClasses/PV/PVOpticalAbsRat.mo
+++ b/IBPSA/Electrical/BaseClasses/PV/PVOpticalAbsRat.mo
@@ -150,7 +150,7 @@ R_b = if noEvent((zen >= Modelica.Constants.pi/2*0.999) or (cos(incAng)
 HGloHor = HDirHor + HDifHor;
 
 
-//Computes the absorption irradiation ratio for operating conditions following De Soto et al.
+//Computes the absorption irradiation ratio for operating conditions following De Soto et al
 absRadRat = if noEvent(HGloHor <=0.1) then 0
   else
   airMassModifier.airMasMod*(HDirHor/HGloHor0*R_b*incAngMod
diff --git a/IBPSA/Electrical/BaseClasses/PV/PVThermalEmpMountCloseToGround.mo b/IBPSA/Electrical/BaseClasses/PV/PVThermalEmpMountCloseToGround.mo
index 50b5bb8646..4cb92b62d7 100644
--- a/IBPSA/Electrical/BaseClasses/PV/PVThermalEmpMountCloseToGround.mo
+++ b/IBPSA/Electrical/BaseClasses/PV/PVThermalEmpMountCloseToGround.mo
@@ -1,6 +1,6 @@
 within IBPSA.Electrical.BaseClasses.PV;
 model PVThermalEmpMountCloseToGround
-  "Empirical thermal model for PV cell with back close to ground ~(0 deg < til < 10 deg)"
+  "Empirical thermal model for PV cell with back close to ground (0 deg < til < 10 deg)"
 extends IBPSA.Electrical.BaseClasses.PV.BaseClasses.PartialPVThermalEmp;
 
 equation
diff --git a/IBPSA/Electrical/DC/Sources/Validation/PVSingleDiodeNISTValidation.mo b/IBPSA/Electrical/DC/Sources/Validation/PVSingleDiodeNISTValidation.mo
index 8d845bba58..8f2874198b 100644
--- a/IBPSA/Electrical/DC/Sources/Validation/PVSingleDiodeNISTValidation.mo
+++ b/IBPSA/Electrical/DC/Sources/Validation/PVSingleDiodeNISTValidation.mo
@@ -11,9 +11,9 @@ model PVSingleDiodeNISTValidation
   parameter Modelica.Units.SI.Angle lat=39.1354*Modelica.Constants.pi/180
     "Latitude";
   parameter Modelica.Units.SI.Angle azi=0
-    "Surface azimuth. azi=min 90 degree if surface outward unit normal points toward east, azi=0 if it points toward south";
+    "Surface azimuth: azi=min 90 degree if surface outward unit normal points toward east, azi=0 if it points toward south";
   parameter Modelica.Units.SI.Angle til=10*Modelica.Constants.pi/180
-    "Surface tilt. til=90 degree for walls, til=0 for ceilings, til=180 for roof";
+    "Surface tilt: til=90 degree for walls, til=0 for ceilings, til=180 for roof";
 
   parameter Modelica.Units.SI.Time nDay=(31+28+31+30+31+14)*24*3600 "Day at which simulation starts";