doc: minor fixes

doc/index.rst

@@ -310,7 +310,7 @@ ON/OFF options are presented.
 .. table:: CMake keyword options.
 
    +-----------------------------+---------------------------------------------------------+
-   | **<optionname>**                 | **Option**                                              |
+   | **<optionname>**            | **Option**                                              |
    +=============================+=========================================================+
    | ``USE_OPENMP``              | Enable/Disable OpenMP                                   |
    +-----------------------------+---------------------------------------------------------+
@@ -679,7 +679,7 @@ The envelope function is
 .. math:: \mathrm{Env}(s)=e^{-bs^2/2},
 
 where parameter :math:`b` controls the Gaussian width and modulates the
-.
+CTF.
 
 To calculate the BioEM posterior probability, we integrate numerically
 the three parameters :math:`\Delta f`, :math:`b` and :math:`A`. To do
@@ -977,19 +977,19 @@ BioEM posterior probability computation:
 Optional keywords:
 ^^^^^^^^^^^^^^^^^^
 
--  :inpar:`GRIDPOINTS_ALPHA` ``(int)``: (Integration of orientations, 
+-  :inpar:`GRIDPOINTS_ALPHA` ``(int)``: (Integration of orientations,
    mandatory if quaterionions or `--ReadOrientation` are not used)
    Number of grid points used in the integration over Euler angle
    :math:`\alpha \in [-\pi,\pi]`. Here a cubic grid in Euler angle
    space is performed. The integral over Euler angle :math:`\gamma` is
    identical to that of :math:`\alpha`.
 
--  :inpar:`GRIDPOINTS_BETA` ``(int)``: (Integration of orientations,  
+-  :inpar:`GRIDPOINTS_BETA` ``(int)``: (Integration of orientations,
    mandatory if quaterionions or `--ReadOrientation` are not used)
    Number of grid points used in the integration over
    :math:`\cos(\beta) \in [-1,1]`.
 
--  :inpar:`USE_QUATERNIONS`: (Integration of rientations) If using
+-  :inpar:`USE_QUATERNIONS`: (Integration of Orientations) If using
    quaternions to the describe the orientations. *Recommended* for
    uniformly sampling of :math:`SO3` with the quaternions lists
    available in the **Quaternions** directory.
@@ -999,7 +999,6 @@ Optional keywords:
    quaternion is within :math:`[-1,1]`. ``(int)`` is the number of
    grid points per dimension.
 
-
 -  :inpar:`ELECTRON_WAVELENGTH` ``(float)``: To change the default
    value of the electron wavelength ``(float)`` used to calculate the
    CTF phase with the defocus. Default 0.019688 :math:`\AA`.
@@ -1362,7 +1361,7 @@ In this algorithm, the parallelization for GPU is now done on a lower
 level: the GPU (or OpenMP for the only CPU case) processes the center
 displacements, whilst the CPU with MPI processes the orientations and
 with OpenMP the projections and convolutions. Hence, there is more
-parallelism and better performance for the GPU for this case. 
+parallelism and better performance for the GPU for this case.
 
 Parallelization
 ~~~~~~~~~~~~~~~
@@ -1379,7 +1378,7 @@ We present the different parallelization options when using the
    :envvar:`OMP_NUM_THREADS`. However,
    :envvar:`BIOEM_PROJ_CONV_AT_ONCE` can also be modified as described
    above. Importantly, for :envvar:`BIOEM_ALGO`\ ``=2`` the contribution of
-   :envvar:`BIOEM_PROJ_CONV_AT_ONCE` is signifcant. These
+   :envvar:`BIOEM_PROJ_CONV_AT_ONCE` is significant. These
    OMP threads are used to work in parallel on the projections, the
    convolutions, and if GPU is disabled on the center displacements
    and comparisons.
@@ -1545,11 +1544,12 @@ List of environment variables
 
 .. envvar:: BIOEM_PROJ_CONV_AT_ONCE
 
-   (Default: 1 for :envvar:`BIOEM_ALGO`\ ``=1`` and :envvar:`=OMP_NUM_THREADS` for
-   :envvar:`BIOEM_ALGO`\ ``=2``) This defines the number of projections and
-   convolutions prepared at once. OpenMP threads (whose number is
-   defined by :envvar:`OMP_NUM_THREADS` environment variable) are used
-   to prepare these projections and convolutions in parallel.  For
+   (Default: 1 for :envvar:`BIOEM_ALGO`\ ``=1`` and ``=``\
+   :envvar:`OMP_NUM_THREADS` for :envvar:`BIOEM_ALGO`\ ``=2``) This
+   defines the number of projections and convolutions prepared at
+   once. OpenMP threads (whose number is defined by
+   :envvar:`OMP_NUM_THREADS` environment variable) are used to prepare
+   these projections and convolutions in parallel.  For
    :envvar:`BIOEM_ALGO`\ ``=1`` :envvar:`BIOEM_PROJ_CONV_AT_ONCE`\
    ``=[x]`` is mostly relevant, if OpenMP is used, no GPU is used,
    and/or the number of reference particle-image is very small. For