stats: fix typo

Change-Id: If978daf8b5e58fd9c0a5ff989088a12abc98886a
diff --git a/src/stats.c b/src/stats.c
index 4fb20e2..f8c91fd 100644
--- a/src/stats.c
+++ b/src/stats.c
@@ -407,7 +407,7 @@
 
 /*! Set the name prefix of a given stats_reporter.
  *  \param[in] srep stats_reporter whose name prefix is to be set
- *  \param[in] prefix NAme perfix to pre-pend for any reported value
+ *  \param[in] prefix Name prefix to pre-pend for any reported value
  *  \returns 0 on success; negative on error */
 int osmo_stats_reporter_set_name_prefix(struct osmo_stats_reporter *srep, const char *prefix)
 {