Minor documentation fixes.

src/core/os.c

@@ -632,7 +632,7 @@ static const JanetReg os_cfuns[] = {
 #ifndef JANET_REDUCED_OS
     {
         "os/dir", os_dir,
-        JDOC("(os/stat dir [, array])\n\n"
+        JDOC("(os/dir dir [, array])\n\n"
              "Iterate over files and subdirectories in a directory. Returns an array of paths parts, "
              "with only the filename or directory name and no prefix.")
     },

src/core/parse.c

@@ -928,7 +928,7 @@ static const JanetReg parse_cfuns[] = {
     },
     {
         "parser/eof", cfun_parse_eof,
-        JDOC("(parser/insert parser)\n\n"
+        JDOC("(parser/eof parser)\n\n"
              "Indicate that the end of file was reached to the parser. This puts the parser in the :dead state.")
     },
     {

src/core/string.c

@@ -542,8 +542,8 @@ static const JanetReg string_cfuns[] = {
     },
     {
         "string/from-bytes", cfun_string_frombytes,
-        JDOC("(string/from-bytes byte-array)\n\n"
+        JDOC("(string/from-bytes &byte-vals)\n\n"
-             "Creates a string from an array of integers with byte values. All integers "
+             "Creates a string from integer params with byte values. All integers "
              "will be coerced to the range of 1 byte 0-255.")
     },
     {