Fix typo

lib/univalue_get.cpp

@@ -35,7 +35,7 @@ bool ParseInt32(const std::string& str, int32_t *out)
     errno = 0; // strtol will not set errno if valid
     long int n = strtol(str.c_str(), &endp, 10);
     if(out) *out = (int32_t)n;
-    // Note that strtol returns a *long int*, so even if strtol doesn't report a over/underflow
+    // Note that strtol returns a *long int*, so even if strtol doesn't report an over/underflow
     // we still have to check that the returned value is within the range of an *int32_t*. On 64-bit
     // platforms the size of these types may be different.
     return endp && *endp == 0 && !errno &&