--- a/doc/EFR-rationale	Fri Dec 30 07:46:58 2022 +0000
+++ b/doc/EFR-rationale	Mon Jan 02 20:09:07 2023 +0000
@@ -33,7 +33,7 @@
   frames (no SID and no lost, FACCH-stolen or DTX-suppressed frames), one can
   likewise do a simple bit reordering and feed these frames to an AMR decoder.
   The output of this AMR decoder will once again be different from a proper
-  (bit-exact) EFR decoder for the same speech parameter inputs. but as long as
+  (bit-exact) EFR decoder for the same speech parameter inputs, but as long as
   the EFR input stream is all good speech frames, the output will be good enough
   for human ears.