core: fix typo

Follow-up for 32614b9aab.

man/systemd.exec.xml

@@ -2157,7 +2157,7 @@ BindReadOnlyPaths=/var/lib/systemd</programlisting>
         When set to <literal>system</literal>, <varname>MemoryTHP=</varname> resets the THP policy to system wide policy.
         This can be used when the process that starts systemd has already disabled THPs via
         <constant>PR_SET_THP_DISABLE</constant>, and we want to restore the system default THP setting at
-        process invokation time. For details, see
+        process invocation time. For details, see
         <ulink url="https://docs.kernel.org/admin-guide/mm/transhuge.html">Transparent Hugepage Support</ulink>
         in the kernel documentation.</para>
         <para>Note that this functionality might not be available, for example if THP is disabled in the

src/core/namespace.h

@@ -96,12 +96,12 @@ typedef enum MemoryTHP {
          * any PR_SET_THP_DISABLE call.
          */
         MEMORY_THP_INHERIT,
-        MEMORY_THP_DISABLE, /* Disable THPs completely for the prcess */
+        MEMORY_THP_DISABLE, /* Disable THPs completely for the process */
         MEMORY_THP_MADVISE, /* Disable THPs for the process except when madvised */
         /*
          * Use system default THP setting. this can be used when the process that
          * starts systemd has already disabled THPs via PR_SET_THP_DISABLE, and we
-         * want to restore the system default THP setting at process invokation time.
+         * want to restore the system default THP setting at process invocation time.
          */
         MEMORY_THP_SYSTEM,
         _MEMORY_THP_MAX,