fix typos

src/osdi/osdiparam.c

@@ -86,9 +86,8 @@ extern int OSDIparam(int param, IFvalue *value, GENinstance *instPtr,
   OsdiRegistryEntry *entry = osdi_reg_entry_inst(instPtr);
   const OsdiDescriptor *descr = entry->descriptor;
 
-  if (param > (int)descr->num_instance_params) {
-
-    // special handleing for temperature parameters
+  if (param >= (int)descr->num_instance_params) {
+    // special handling for temperature parameters
     OsdiExtraInstData *inst = osdi_extra_instance_data(entry, instPtr);
     if (param == (int)entry->dt) {
       inst->dt = value->rValue;

src/osdi/osdisetup.c

@@ -52,10 +52,10 @@ static int handle_init_info(OsdiInitInfo info, const OsdiDescriptor *descr) {
 
 /*
  * The OSDI instance data contains the `node_mapping` array.
- * Here an index is stored for each node. This function initalizes this array
- * with its indecies {0, 1, 2, 3, .., n}.
+ * Here an index is stored for each node. This function initializes this array
+ * with its indicies {0, 1, 2, 3, .., n}.
  * The node collapsing information generated by setup_instance is used to
- * replace these initial indecies with those that a node is collapsed into.
+ * replace these initial indicies with those that a node is collapsed into.
  * For example collapsing nodes i and j sets node_mapping[i] = j.
  *
  * Terminals can never be collapsed in ngspice because they are allocated by