fix readme typo

Author: palday

README.md

@@ -53,12 +53,12 @@ Typical distribution forms are _Bernoulli_ for binary data or _Poisson_ for coun
 |macOS|Catalina 10.15|x64|v1.3|1|
 |Windows|Server 2019|x64|v1.3|1|
 |Linux|Ubuntu 18.04|x86|v1.3|2|
-|Windows|Server 2019|x84|v1.3|2|
+|Windows|Server 2019|x86|v1.3|2|
 |Linux|Ubuntu 18.04|x64|v1.4|2|
 |macOS|Catalina 10.15|x64|v1.4|2|
 |Windows|Server 2019|x64|v1.4|2|
 |Linux|Ubuntu 18.04|x86|v1.4|2|
-|Windows|Server 2019|x84|v1.4|2|
+|Windows|Server 2019|x86|v1.4|2|
 
 ## Version 2.0.0