Doc fix

user-doc/Colvar.txt

@@ -17,7 +17,7 @@ configuration.  Meanwhile, the page on \ref Function describes the various funct
 code.  Lastly the page on \mcolv describes MultiColvars.  MultiColvars allow you to use many different colvars and allow us to 
 implement all these collective variables without implementing having an unmanigiably large ammount of code.  For some things (e.g.
 \ref DISTANCES GROUPA=1 GROUPB=2-100 LESS_THAN={RATIONAL R_0=3}) there are more computationally efficient options available in plumed 
-(e.g. \ref COORDIATION).  However, MultiColvars are worth investigating as they provide a flexible syntax for many quite-complex CVs.
+(e.g. \ref COORDINATION).  However, MultiColvars are worth investigating as they provide a flexible syntax for many quite-complex CVs.
 
 \section cvavail CV Documentation