diff --git a/doc/pdfio.md b/doc/pdfio.md
index 9eb71be..595de61 100644
--- a/doc/pdfio.md
+++ b/doc/pdfio.md
@@ -345,7 +345,7 @@ to the stream:
 The [PDF content helper functions](@) provide additional functions for writing
 specific PDF page stream commands.
 
-When you are done writing the stream, call [`pdfioStreamCLose`](@@) to close
+When you are done writing the stream, call [`pdfioStreamClose`](@@) to close
 both the stream and the object.
 
 
diff --git a/pdfio-content.c b/pdfio-content.c
index 8bb99b3..936404c 100644
--- a/pdfio-content.c
+++ b/pdfio-content.c
@@ -2349,7 +2349,7 @@ pdfioPageDictAddColorSpace(
 bool					// O - `true` on success, `false` on failure
 pdfioPageDictAddFont(
     pdfio_dict_t *dict,			// I - Page dictionary
-    const char   *name,			// I - Font name
+    const char   *name,			// I - Font name; must not contain spaces
     pdfio_obj_t  *obj)			// I - Font object
 {
   pdfio_dict_t	*resources;		// Resource dictionary