libosmo-mgcp: Cosmetic spelling fixes in comments

Change-Id: Ic0469c2a4d69b55a6a90653ad7ea1ad89a34e4bc
diff --git a/src/libosmo-mgcp/mgcp_conn.c b/src/libosmo-mgcp/mgcp_conn.c
index 9063bec..a136fda 100644
--- a/src/libosmo-mgcp/mgcp_conn.c
+++ b/src/libosmo-mgcp/mgcp_conn.c
@@ -249,9 +249,9 @@
 	return;
 }
 
-/*! dump basic connection information to human readble string.
+/*! dump basic connection information to human readable string.
  *  \param[in] conn to dump
- *  \returns human readble string */
+ *  \returns human readable string */
 char *mgcp_conn_dump(struct mgcp_conn *conn)
 {
 	static char str[sizeof(conn->name)+sizeof(conn->id)+256];