maint: correct misuse of "a" and "an"

[gnulib.git] / lib / gc.h

diff --git a/lib/gc.h b/lib/gc.h
index 03d27c1..d514748 100644 (file)
--- a/lib/gc.h
+++ b/lib/gc.h
@@ -168,7 +168,7 @@ extern Gc_rc gc_hmac_sha1 (const void *key, size_t keylen,
    larger value means this function take more time (typical iteration
    counts are 1000-20000).  This function "stretches" the key to be
    exactly dkLen bytes long.  GC_OK is returned on success, otherwise
-   an Gc_rc error code is returned.  */
+   a Gc_rc error code is returned.  */
 extern Gc_rc
 gc_pbkdf2_sha1 (const char *P, size_t Plen,
                 const char *S, size_t Slen,