diff --git a/source/faq/concurrency.txt b/source/faq/concurrency.txt
index e5914242ff7..130caf393d1 100644
--- a/source/faq/concurrency.txt
+++ b/source/faq/concurrency.txt
@@ -103,7 +103,7 @@ opportunity to complete.
    MongoDB predicts that the data is not in memory a read operation
    yields its lock while MongoDB loads the data to memory. Once data
    is available in memory, the read will reacquire the lock to
-   completes the operation.
+   complete the operation.
 
 .. _faq-concurrency-operations-locks: