DOC: Spelling fixes
[wt: this contains spelling fixes for both doc and code comments,
should be backported, ignoring the parts which don't apply]
diff --git a/src/backend.c b/src/backend.c
index d34b5ec..57f811f 100644
--- a/src/backend.c
+++ b/src/backend.c
@@ -1019,7 +1019,7 @@
* - SF_ERR_PRXCOND if the connection has been limited by the proxy (maxconn)
* - SF_ERR_RESOURCE if a system resource is lacking (eg: fd limits, ports, ...)
* - SF_ERR_INTERNAL for any other purely internal errors
- * Additionnally, in the case of SF_ERR_RESOURCE, an emergency log will be emitted.
+ * Additionally, in the case of SF_ERR_RESOURCE, an emergency log will be emitted.
* The server-facing stream interface is expected to hold a pre-allocated connection
* in s->si[1].conn.
*/