Fix minor typos

src/base32.cpp

@@ -85,7 +85,7 @@ namespace base32
         /*
         * sanity check that:
         *  - decoding base32 succeeded
-        *  - the library agrees on how big the output buffer should be, i.e. that the preceeding allocation logic was correct
+        *  - the library agrees on how big the output buffer should be, i.e. that the preceding allocation logic was correct
         */
         ok = status == OATH_OK && reportedCapacity == ((size_t) capacity);
 

src/validators/countervalidator.cpp

@@ -31,7 +31,7 @@ namespace validators
             return std::optional<qulonglong>(v);
         } else {
             /*
-             * Fall back to parsing according to C locale for beter UX.
+             * Fall back to parsing according to C locale for better UX.
              * This simplifies copy-pasting from websites which may be a bit
              * biased towards the Anglosphere.
              */

src/validators/util.cpp

@@ -20,7 +20,7 @@
 
 #include <QRegularExpression>
 
-QRegularExpression spaces_patern(void)
+QRegularExpression spaces_pattern(void)
 {
     static const QRegularExpression re("\\s*");
     re.optimize();
@@ -32,7 +32,7 @@ namespace validators
 
     QString strip_spaces(QString &input)
     {
-        static const QRegularExpression re = spaces_patern();
+        static const QRegularExpression re = spaces_pattern();
         return input.replace(re, QLatin1String(""));
     }
 }