Fix typo: imersed -> immersed in m_global_parameters.fpp

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: sbryngelson

src/pre_process/m_global_parameters.fpp

@@ -564,7 +564,7 @@ contains
             patch_ib(i)%model_spc = num_ray
             patch_ib(i)%model_threshold = ray_tracing_threshold
 
-            ! Variables to handle moving imersed boundaries, defaulting to no movement
+            ! Variables to handle moving immersed boundaries, defaulting to no movement
             patch_ib(i)%moving_ibm = 0
             patch_ib(i)%vel(:) = 0._wp
             patch_ib(i)%angles(:) = 0._wp

src/simulation/m_global_parameters.fpp

@@ -879,7 +879,7 @@ contains
             patch_ib(i)%model_spc = num_ray
             patch_ib(i)%model_threshold = ray_tracing_threshold
 
-            ! Variables to handle moving imersed boundaries, defaulting to no movement
+            ! Variables to handle moving immersed boundaries, defaulting to no movement
             patch_ib(i)%moving_ibm = 0
             patch_ib(i)%vel(:) = 0._wp
             patch_ib(i)%angles(:) = 0._wp