Fix typos

Signed-off-by: Jan Bruckner <jan@janbruckner.de>
diff --git a/tests/scripts/doxygen.sh b/tests/scripts/doxygen.sh
index e355073..2bc8dc9 100755
--- a/tests/scripts/doxygen.sh
+++ b/tests/scripts/doxygen.sh
@@ -17,7 +17,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# Abort on errors (and uninitiliased variables)
+# Abort on errors (and uninitialised variables)
 set -eu
 
 if [ -d library -a -d include -a -d tests ]; then :; else