diff --git a/cscripts/csphasecrv.par b/cscripts/csphasecrv.par
index a1b8c34..0b15516 100644
--- a/cscripts/csphasecrv.par
+++ b/cscripts/csphasecrv.par
@@ -37,8 +37,8 @@ emax,      r, a, 100.0,,, "Upper energy limit of events (TeV)"
 enumbins,  i, a, 0,0,100, "Number of energy bins for binned (0=unbinned for Cube analysis only))"
 coordsys,  s, a, CEL,CEL|GAL,, "Coordinate System"
 proj,      s, a, CAR,AIT|AZP|CAR|GLS|MER|MOL|SFL|SIN|STG|TAN,, "Projection method"
-xref,      r, a, 83.63,0,360, "First coordinate of image center in degrees (RA or galactic l)"
-yref,      r, a, 22.01,-90,90, "Second coordinate of image center in degrees (DEC or galactic b)"
+xref,      r, a, 83.63,0,360, "First coordinate of image/source region center in degrees (RA or galactic l)"
+yref,      r, a, 22.01,-90,90, "Second coordinate of image/source region center in degrees (DEC or galactic b)"
 nxpix,     i, a, 200,,, "Size of the X axis in pixels"
 nypix,     i, a, 200,,, "Size of the Y axis in pixels"
 binsz,     r, a, 0.02,,, "Pixel size (deg/pixel)"
diff --git a/doc/source/users/reference_manual/cslightcrv.rst b/doc/source/users/reference_manual/cslightcrv.rst
index 77558a5..7d22ec8 100644
--- a/doc/source/users/reference_manual/cslightcrv.rst
+++ b/doc/source/users/reference_manual/cslightcrv.rst
@@ -69,7 +69,7 @@ General parameters
 ``tbinfile [file]``
     File defining the time binning.
 
-``method [string]``
+``method  <CUBE|ONOFF> [string]``
     Selects between CUBE analysis (3D spatial/energy likelihood) and ONOFF
     analysis (1D likelihood with background from Off regions).
 
@@ -103,6 +103,10 @@ General parameters
 ``binsz [real]``
     Pixel size for Cube analysis (in degrees/pixel).
 
+``(srcshape = CIRCLE) [string]``
+    Shape of the source region.
+    ``CIRCLE``: circular region around given position.
+
 ``rad [real]``
     Radius of source region circle for On/Off analysis (deg)
 
diff --git a/doc/source/users/reference_manual/csphasecrv.rst b/doc/source/users/reference_manual/csphasecrv.rst
index be1e14d..214281c 100644
--- a/doc/source/users/reference_manual/csphasecrv.rst
+++ b/doc/source/users/reference_manual/csphasecrv.rst
@@ -63,7 +63,7 @@ General parameters
 ``phbinfile [file]``
     File defining the phase binning.
 
-``method [string]``
+``method <CUBE|ONOFF> [string]``
     Selects between CUBE analysis (3D spatial/energy likelihood) and ONOFF
     analysis (1D likelihood with background from Off regions).
 
@@ -97,6 +97,10 @@ General parameters
 ``binsz [real]``
     Pixel size (in degrees/pixel).
 
+``(srcshape = CIRCLE) [string]``
+    Shape of the source region.
+    ``CIRCLE``: circular region around given position.
+
 ``rad [real]``
     Radius of source region circle for On/Off analysis (deg)