diff --git a/Data/Abbr/computing.csv b/Data/Abbr/computing.csv
index 983aa7e1..0b4d7d18 100644
--- a/Data/Abbr/computing.csv
+++ b/Data/Abbr/computing.csv
@@ -2115,8 +2115,7 @@ PPM,"Pages per minute (a measurement of printing speed), Perl package manager (f
 PPP,Point-to-Point Protocol
 PPPoE,Point-to-Point Protocol over Ethernet
 PPTP,Point-to-Point Tunneling Protocol
-PR,Problem Report
-PR,Process Reengineering
+PR,"Problem Report, Process Reengineering"
 PRI,Primary Rate Interface
 PRM,partner relationship management
 PRNG,pseudo-random number generator
diff --git a/Data/Abbr/general.csv b/Data/Abbr/general.csv
index 65df936e..69c2f4e8 100644
--- a/Data/Abbr/general.csv
+++ b/Data/Abbr/general.csv
@@ -3921,9 +3921,8 @@ PPQT,Pre-Production Qualification Test
 PPS,post postscriptum,Precise/Precision Positioning Service (GPS),PolyPhenylene Sulfide
 PPV,Pay-per-view
 PQ,Province of Québec (obsolete postal code,replaced by QC),Parti Québécois,PR[edit]
-Pr,Pastor or Priest
-Pr,Praseodymium
-PR,Public Relations,Puerto Rico (postal symbol; ISO 3166 digram)
+Pr,"Pastor, Priest"
+PR,Public Relations
 Prb,Presbyter
 PRBO,Point Reyes Bird Observatory
 PRC,People's Republic of China
diff --git a/Data/Abbr/medicine.csv b/Data/Abbr/medicine.csv
index 339614da..57226333 100644
--- a/Data/Abbr/medicine.csv
+++ b/Data/Abbr/medicine.csv
@@ -2,7 +2,6 @@ ABBR,TERM
 CAT,Computer-Assisted (or Axial) Tomography
 CDC,"(U.S.) Centers for Disease Control and Prevention; previously known as the Communicable Disease Center"
 IAS,"Insulin autoimmune syndrome (a rare cause of reversible autoimmune hypoglycemia)"
-PR,per the rectum
 pr,per the rectum
 PT,prothrombin time
 PTT,partial thromboplastin time