address spelling issues

doc/src/Packages_details.rst

@@ -367,7 +367,7 @@ KIM package
 
 **Contents:**
 
-This package contains a command with a set of subcommands that serve as a
+This package contains a command with a set of sub-commands that serve as a
 wrapper on the
 `Open Knowledgebase of Interatomic Models (OpenKIM) <https://openkim.org>`_
 repository of interatomic models (IMs) enabling compatible ones to be used in

doc/utils/sphinx-config/false_positives.txt

@@ -2367,6 +2367,7 @@ parmin
 Parrinello
 Partay
 Particuology
+Pascuet
 pastewka
 Pastewka
 pathangle

src/utils.cpp

@@ -110,7 +110,7 @@ bool utils::strmatch(const std::string &text, const std::string &pattern)
 
 /** This function is a companion function to utils::strmatch(). Arguments
  *  and logic is the same, but instead of a boolean, it returns the
- *  substring that matches the regex pattern.  There can be only one match.
+ *  sub-string that matches the regex pattern.  There can be only one match.
  *  This can be used as a more flexible alternative to strstr().
  */
 std::string utils::strfind(const std::string &text, const std::string &pattern)

src/utils.h

@@ -37,7 +37,7 @@ namespace LAMMPS_NS {
 
     bool strmatch(const std::string &text, const std::string &pattern);
 
-    /** Find substring that matches a simplified regex pattern
+    /** Find sub-string that matches a simplified regex pattern
      *
      *  \param text the text to be matched against the pattern
      *  \param pattern the search pattern, which may contain regexp markers