diff --git a/src/my_pool_chunk.h b/src/my_pool_chunk.h
index 61e9e604cacb15a6759f882243f9d7824f17ce6d..c2f4f190f84bb87a3a3980336c179e19b50fa296 100644
--- a/src/my_pool_chunk.h
+++ b/src/my_pool_chunk.h
@@ -33,7 +33,7 @@ methods:
                      minchunk <= N <= maxchunk required
    put(index) = return indexed chunk to pool (same index returned by get)
    int size() = return total size of allocated pages in bytes
-public varaibles:
+public variables:
    ndatum = total # of stored datums
    nchunk = total # of stored chunks
    size = total size of all allocated pages in daums
diff --git a/src/python_wrapper.h b/src/python_wrapper.h
index 2975d5192f3fd854bc18871683a50f7bd4e16dfe..97d7de31ef150a972571586dcfdb73066b724ce3 100644
--- a/src/python_wrapper.h
+++ b/src/python_wrapper.h
@@ -38,7 +38,7 @@ class Python {
   void invoke_function(int, char *) {}
   int find(char *) {return -1;}
   int variable_match(char *, char *, int) {return -1;}
-
+  char *long_string(int) {return NULL;}
 };
 
 }