Merge pull request #3763 from clinssen/cite_typo_fix

Fix typo in citation

Author: jessica-mitchell

models/stdp_pl_synapse_hom.h

@@ -71,7 +71,7 @@ References
 ++++++++++
 
 .. [1] Morrison A, Aertsen A, Diesmann M. (2007) Spike-timing dependent
-       plasticity in balanced random netrks. Neural Computation,
+       plasticity in balanced random networks. Neural Computation,
        19(6):1437-1467. DOI: https://doi.org/10.1162/neco.2007.19.6.1437
 
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