diff --git a/include/opus_multistream.h b/include/opus_multistream.h
index 824cc55a..f4dcd1bb 100644
--- a/include/opus_multistream.h
+++ b/include/opus_multistream.h
@@ -510,7 +510,7 @@ OPUS_EXPORT OPUS_WARN_UNUSED_RESULT OpusMSDecoder *opus_multistream_decoder_crea
       int *error
 ) OPUS_ARG_NONNULL(5);
 
-/** Intialize a previously allocated decoder state object.
+/** Initialize a previously allocated decoder state object.
   * The memory pointed to by \a st must be at least the size returned by
   * opus_multistream_encoder_get_size().
   * This is intended for applications which use their own allocator instead of
diff --git a/include/opus_projection.h b/include/opus_projection.h
index 9dabf4e8..5bdc6e66 100644
--- a/include/opus_projection.h
+++ b/include/opus_projection.h
@@ -405,7 +405,7 @@ OPUS_EXPORT OPUS_WARN_UNUSED_RESULT OpusProjectionDecoder *opus_projection_decod
 ) OPUS_ARG_NONNULL(5);
 
 
-/** Intialize a previously allocated projection decoder state object.
+/** Initialize a previously allocated projection decoder state object.
   * The memory pointed to by \a st must be at least the size returned by
   * opus_projection_decoder_get_size().
   * This is intended for applications which use their own allocator instead of