[docs] Fix typo (#326)
diff --git a/docs/mutual-attestation.md b/docs/mutual-attestation.md
index 9386aee..0bee9df 100644
--- a/docs/mutual-attestation.md
+++ b/docs/mutual-attestation.md
@@ -31,7 +31,7 @@
## Solution
-Teaclave resolves this problem by replying on third-party auditors. We assume
+Teaclave resolves this problem by relying on third-party auditors. We assume
that there will be several parties trusted by all participants of Teaclave's
computation tasks (could platforms, data providers, and customers, etc). The
source code and binaries of Teaclave are audited by these trusted parties. Once
