diff --git a/doc/crypto/pem.pod b/doc/crypto/pem.pod
index 861311445..4f9a27df0 100644
--- a/doc/crypto/pem.pod
+++ b/doc/crypto/pem.pod
@@ -471,6 +471,6 @@ is guaranteed to work.
 =head1 RETURN CODES
 
 The read routines return either a pointer to the structure read or NULL
-is an error occurred.
+if an error occurred.
 
 The write routines return 1 for success or 0 for failure.