fix typo

man/systemd.unit.xml

@@ -524,7 +524,7 @@
     symlink <emphasis>target</emphasis> is within the unit load path becomes an alias: the source name and
     the target file name must satisfy specific constraints listed above in the discussion of aliases, but the
     symlink target doesn't have to exist, and in fact the symlink target path is not used, except to check
-    whether the target is within the unit load path. In constrast, a symlink which goes outside of the unit
+    whether the target is within the unit load path. In contrast, a symlink which goes outside of the unit
     load path signifies a linked unit file. The symlink is followed when loading the file, but the
     destination name is otherwise unused (and may even not be a valid unit file name). For example, symlinks
     <filename index='false'>/etc/systemd/system/alias1.service</filename> → <filename index='false'>service1.service</filename>,

src/shared/install.c

@@ -2797,7 +2797,7 @@ static int normalize_linked_files(
 
         /* This is similar to normalize_filenames()/normalize_names() in src/systemctl/,
          * but operates on real unit names. For each argument we we look up the actual path
-         * where the unit is found. This way linked units can be reenabled successfully. */
+         * where the unit is found. This way linked units can be re-enabled successfully. */
 
         _cleanup_free_ char **files = NULL, **names = NULL;
         int r;