Fix typo
Fix typo in ChangeLog entry.
diff --git a/ChangeLog b/ChangeLog
index 5e00c0e..81dca1a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -22,7 +22,7 @@
Changes
* Change the shebang line in Perl scripts to look up perl in the PATH.
Contributed by fbrosson.
- * Fix efailure in hmac_drbg in the benchmark sample application, when
+ * Fix failure in hmac_drbg in the benchmark sample application, when
MBEDTLS_THREADING_C is defined. Found by TrinityTonic, #1095
= mbed TLS 2.11.0 branch released 2018-06-18