diff --git a/probeye/inference/bias/solver.py b/probeye/inference/bias/solver.py
index c14d356..3eabfe3 100644
--- a/probeye/inference/bias/solver.py
+++ b/probeye/inference/bias/solver.py
@@ -274,7 +274,7 @@ def logprob(x):
         logger.debug("Setting up EnsembleSampler")
 
         with Pool(processes=n_processes) as pool:
-            logger.info("fparallel sampling using multiprocessing with {pool}")
+            logger.info(f"parallel sampling using multiprocessing with {pool}")
             self.sampler = emcee.EnsembleSampler(
                 nwalkers=n_walkers,
                 ndim=self.problem.n_latent_prms_dim,
diff --git a/probeye/inference/emcee/solver.py b/probeye/inference/emcee/solver.py
index 4f8c653..6ea92c3 100644
--- a/probeye/inference/emcee/solver.py
+++ b/probeye/inference/emcee/solver.py
@@ -234,7 +234,7 @@ def logprob(x):
         
         
         with Pool(processes=n_processes) as pool:
-            logger.info("fparallel sampling using multiprocessing with {pool}")
+            logger.info(f"parallel sampling using multiprocessing with {pool}")
             sampler = emcee.EnsembleSampler(
                 nwalkers=n_walkers,
                 ndim=self.problem.n_latent_prms_dim,