diff --git a/readme.md b/readme.md
index 079b415..2f6faa8 100644
--- a/readme.md
+++ b/readme.md
@@ -9,8 +9,8 @@ A toolkit to dump INL calibration constants of the R6581 DMM and update them to
     - lines #19-21 for the GPIB adresses
     - lines #36-42 for your voltage source configuration
     - lines #43-54 for your reference dmm configurations
-    - the measurement functions from lines #74 to 92 for your DMM and source.
-3. You can opt to comment out line #63 to 72 if you do not wish to clear your initial coefficients for the first sweep.
+    - the measurement functions from lines #74-92 for your DMM and source.
+3. You can opt to comment out line #63-72 if you do not wish to clear your initial coefficients for the first sweep.
 4. Run and wait
 
 There are some basic pareametersd also like nrepeats, which defines the amount of INL sweeps to be averaged.