src/cvec.h: fix cvec_logmag documentation

diff --git a/src/cvec.h b/src/cvec.h
index 96cc04e..be4bbab 100644 (file)
--- a/src/cvec.h
+++ b/src/cvec.h
@@ -232,7 +232,7 @@ void cvec_zeros(cvec_t *s);
 
 /** take logarithmic magnitude
 
-  \param fftgrain cvec to compress
+  \param s input cvec to compress
   \param lambda value to use for normalisation
 
 */