[pre-commit.ci] auto fixes from pre-commit hooks

Author: pre-commit-ci[bot]

doc/manual/pdfmorph.texinfo

@@ -105,7 +105,7 @@ Copyright 2009-2024, Board of Trustees of Columbia University in the city of New
 @cindex  introduction
 
 PDFmorph is a Python package that increases the insight researchers can
-obtain from measured atomic pair distribution functions (PDFs) in a 
+obtain from measured atomic pair distribution functions (PDFs) in a
 model-independent way. It was originally designed to help a researcher
 answer a question: "Has my material undergone a phase transition between
 these two measurements?"
@@ -126,7 +126,7 @@ these two measurements?"
 @section Availability
 @cindex  availability
 
-PDFmorph is open source and distributed under the BSD license. 
+PDFmorph is open source and distributed under the BSD license.
 It runs on Windows, Mac OS, Linux, and all major Unix systems.
 The source code is freely available at @url{https://github.com/diffpy/diffpy.pdfmorph}.
 
@@ -143,7 +143,7 @@ the following third party libraries:
 @item @url{https://numpy.org/, NumPy} - Python's fast scientific computing library
 @item @url{https://matplotlib.org/, Matplotlib} - Python plotting library
 @item @url{https://scipy.org/, SciPy} - Python's technical computing library
-@item @url{https://www.diffpy.org/diffpy.utils/, diffpy.utils} 
+@item @url{https://www.diffpy.org/diffpy.utils/, diffpy.utils}
 - @url{https://www.diffpy.org/, DiffPy} general utility functions
 @end itemize
 These dependencies will be installed automatically if you use the conda installation
@@ -155,7 +155,7 @@ procedure described in the following section (@ref{Installation instructions}).
 
 We recommend installing the package and its dependencies using conda.
 Miniconda, a minimal installer for conda, can be downloaded
-@url{https://docs.anaconda.com/free/miniconda/, here}. 
+@url{https://docs.anaconda.com/free/miniconda/, here}.
 Miniconda makes it easy to manage dependencies in isolated environments.
 Once Miniconda is installed, run @code{conda} on the command line
  to test that it has been installed properly.