fix spelling

diff --git a/doc/librrd.pod b/doc/librrd.pod
index a0f57e36324d665d5d35b9f8062606b7520290f9..f6ecba092aeedc119d1b0898e87efe54d21679ff 100644 (file)
--- a/doc/librrd.pod
+++ b/doc/librrd.pod
@@ -84,11 +84,11 @@ the random number generator is seeded exactly once per process.
 
 =item B<rrd_strtod>
 
-works like normal strtod, but it is locale independent (and thread save)
+works like normal strtod, but it is locale independent (and thread safe)
 
 =item B<rrd_snprintf>
 
-works  like normal snprintf but it is locale independent (and thread save)
+works  like normal snprintf but it is locale independent (and thread safe)
 
 =item B<rrd_add_ptr(void ***dest, size_t *dest_size, void *src)>